#111B55

Closest named color: Dark Indigo (#1F0954). oklch(25.7% 0.105 269.7), rgb(17, 27, 85).

Aa

White text reads best on this color (16.00:1).

About this color

#111B55 is a dark, moderately saturated blue. In OKLCH its lightness is 26%, its chroma 0.105 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.041 away. White text reads best on it, at 16.00:1.

Hue familyBlues
Lightnessdark (26%)
Chromamoderately saturated (0.105)
Temperaturecool
Nearest nameDark Indigo (#1F0954)
Black text1.31:1
White text16.00:1

Values

HEX#111B55
RGBrgb(17, 27, 85)
HSLhsl(231, 67%, 20%)
OKLCHoklch(25.7% 0.105 269.7)

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 #111B55 16.00:1 AAA Lc -105.2 Preferred for body text
Black text on #111B55 1.31:1 Fails Lc 0.0 Not readable
#111B55 text on white 16.00:1 AAA Lc 102.6 Preferred for body text
#111B55 text on black 1.31:1 Fails Lc 0.0 Not readable

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 950.

  1. Step 50

    50

    #F2F5FF

    oklch(97.1% 0.014 272.7)

  2. Step 100

    100

    #E2E9FF

    oklch(93.5% 0.031 271.7)

  3. Step 200

    200

    #CAD8FF

    oklch(88.4% 0.056 269.7)

  4. Step 300

    300

    #A8BEFF

    oklch(80.9% 0.096 269.8)

  5. Step 400

    400

    #7B9AFF

    oklch(70.8% 0.152 269.4)

  6. Step 500

    500

    #5C7CFF

    oklch(63.1% 0.197 269.6)

  7. Step 600

    600

    #4159FF

    oklch(55.6% 0.245 269.7)

  8. Step 700

    700

    #323DEF

    oklch(49.2% 0.257 269.7)

  9. Step 800

    800

    #2835C1

    oklch(42.8% 0.213 269.6)

  10. Step 900

    900

    #233198

    oklch(37.7% 0.167 269.9)

  11. Step 950

    950 (this color)

    #111B55

    oklch(25.7% 0.105 269.7)

Export this scale for Tailwind in the Tailwind colors tool

#111B55 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)#0025570.029
Deuteranopia (no green cones)#001E540.018
Tritanopia (no blue cones)#002A350.083
Achromatopsia (no color)#2121210.106

Harmonies

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

Complementary

The opposite hue (180°).

  • #111B55

    #111B55

    oklch(25.7% 0.105 269.7)

  • #2D2200

    #2D2200

    oklch(25.8% 0.053 90.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #111B55

    #111B55

    oklch(25.7% 0.105 269.7)

  • #00263C

    #00263C

    oklch(25.6% 0.058 239.7)

  • #2C104D

    #2C104D

    oklch(25.6% 0.105 299.8)

Open the analogous palette in the generator

Split complementary

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

  • #111B55

    #111B55

    oklch(25.7% 0.105 269.7)

  • #381B00

    #381B00

    oklch(25.8% 0.06 60)

  • #202700

    #202700

    oklch(25.7% 0.061 119.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #111B55

    #111B55

    oklch(25.7% 0.105 269.7)

  • #4A0100

    #4A0100

    oklch(25.8% 0.104 29.7)

  • #002C0F

    #002C0F

    oklch(25.6% 0.07 150)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #111B55

    #111B55

    oklch(25.7% 0.105 269.7)

  • #470022

    #470022

    oklch(25.8% 0.105 359.4)

  • #2D2200

    #2D2200

    oklch(25.8% 0.053 90.8)

  • #002B24

    #002B24

    oklch(25.9% 0.047 178.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #111B55, closest first.

Similar named colors

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

Use #111B55 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.