#1853A1

Closest named color: Dusk Blue (#26538D). oklch(45.1% 0.14 257.3), rgb(24, 83, 161).

Aa

White text reads best on this color (7.52:1).

About this color

#1853A1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.140 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.033 away. White text reads best on it, at 7.52:1.

Hue familyBlues
Lightnessmedium-dark (45%)
Chromamoderately saturated (0.140)
Temperaturecool
Nearest nameDusk Blue (#26538D)
Black text2.79:1
White text7.52:1

Values

HEX#1853A1
RGBrgb(24, 83, 161)
HSLhsl(214, 74%, 36%)
OKLCHoklch(45.1% 0.14 257.3)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #1853A1 7.52:1 AAA Lc -90.5 Preferred for body text
Black text on #1853A1 2.79:1 Fails Lc 18.4 Dividers and decoration only
#1853A1 text on white 7.52:1 AAA Lc 85.6 Fine for body text
#1853A1 text on black 2.79:1 Fails Lc -16.4 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.

  1. Step 50

    50

    #F1F6FD

    oklch(97.1% 0.011 256.7)

  2. Step 100

    100

    #E0EBFA

    oklch(93.6% 0.024 256.1)

  3. Step 200

    200

    #C7DBF8

    oklch(88.6% 0.046 257.6)

  4. Step 300

    300

    #9FC3F6

    oklch(80.9% 0.082 257.1)

  5. Step 400

    400

    #6AA2F1

    oklch(70.7% 0.131 257.1)

  6. Step 500

    500

    #4088EC

    oklch(63.1% 0.167 257.3)

  7. Step 600

    600

    #1B6FDB

    oklch(55.6% 0.183 257.4)

  8. Step 700

    700

    #0B5CBE

    oklch(49.1% 0.17 257.4)

  9. Step 800

    800 (this color)

    #1853A1

    oklch(45.1% 0.14 257.3)

  10. Step 900

    900

    #16407A

    oklch(37.7% 0.109 257.5)

  11. Step 950

    950

    #0E2647

    oklch(27% 0.068 257.1)

Export this scale for Tailwind in the Tailwind colors tool

#1853A1 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#265BA40.026
Deuteranopia (no green cones)#004F9F0.017
Tritanopia (no blue cones)#0066720.107
Achromatopsia (no color)#5454540.140

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #1853A1

    #1853A1

    oklch(45.1% 0.14 257.3)

  • #724D00

    #724D00

    oklch(45% 0.094 77)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1853A1

    #1853A1

    oklch(45.1% 0.14 257.3)

  • #005E7B

    #005E7B

    oklch(45% 0.087 227.7)

  • #53449D

    #53449D

    oklch(45% 0.139 287.2)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #1853A1

    #1853A1

    oklch(45.1% 0.14 257.3)

  • #8A3A00

    #8A3A00

    oklch(45% 0.124 47.3)

  • #5C5900

    #5C5900

    oklch(45.2% 0.097 107.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1853A1

    #1853A1

    oklch(45.1% 0.14 257.3)

  • #932A38

    #932A38

    oklch(45.1% 0.14 17.3)

  • #296600

    #296600

    oklch(45.2% 0.138 137.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1853A1

    #1853A1

    oklch(45.1% 0.14 257.3)

  • #892C64

    #892C64

    oklch(45% 0.14 347.1)

  • #724D00

    #724D00

    oklch(45% 0.094 77)

  • #00654B

    #00654B

    oklch(45% 0.091 167.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1853A1, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #1853A1 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.