#1E313F

Closest named color: Gunmetal (#293241). oklch(30.3% 0.035 241.3), rgb(30, 49, 63).

Aa

White text reads best on this color (13.40:1).

About this color

#1E313F is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.035 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.017 away. White text reads best on it, at 13.40:1.

Hue familyBlues
Lightnessdark (30%)
Chromamuted (0.035)
Temperaturecool
Nearest nameGunmetal (#293241)
Black text1.56:1
White text13.40:1

Values

HEX#1E313F
RGBrgb(30, 49, 63)
HSLhsl(205, 35%, 18%)
OKLCHoklch(30.3% 0.035 241.3)

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 #1E313F 13.40:1 AAA Lc -103.0 Preferred for body text
Black text on #1E313F 1.56:1 Fails Lc 0.0 Not readable
#1E313F text on white 13.40:1 AAA Lc 99.8 Preferred for body text
#1E313F text on black 1.56:1 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

    #F2F6F9

    oklch(97.1% 0.006 239.8)

  2. Step 100

    100

    #E3EBF1

    oklch(93.6% 0.012 239.9)

  3. Step 200

    200

    #CCDBE7

    oklch(88.4% 0.023 241.9)

  4. Step 300

    300

    #A9C5DA

    oklch(80.9% 0.042 240.5)

  5. Step 400

    400

    #7BA6C7

    oklch(70.6% 0.067 241.9)

  6. Step 500

    500

    #5790B9

    oklch(63.1% 0.086 241.2)

  7. Step 600

    600

    #3B7AA5

    oklch(55.7% 0.093 241.1)

  8. Step 700

    700

    #2D668D

    oklch(49% 0.086 241.5)

  9. Step 800

    800

    #265473

    oklch(42.8% 0.072 240.8)

  10. Step 900

    900

    #24455D

    oklch(37.7% 0.057 241.9)

  11. Step 950

    950 (this color)

    #1E313F

    oklch(30.3% 0.035 241.3)

Export this scale for Tailwind in the Tailwind colors tool

#1E313F 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)#2B31400.019
Deuteranopia (no green cones)#272D3F0.018
Tritanopia (no blue cones)#1034360.027
Achromatopsia (no color)#2F2F2F0.036

Harmonies

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

Complementary

The opposite hue (180°).

  • #1E313F

    #1E313F

    oklch(30.3% 0.035 241.3)

  • #3C2B1C

    #3C2B1C

    oklch(30.5% 0.036 62.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1E313F

    #1E313F

    oklch(30.3% 0.035 241.3)

  • #173439

    #173439

    oklch(30.5% 0.036 210)

  • #282E41

    #282E41

    oklch(30.4% 0.035 270.7)

Open the analogous palette in the generator

Split complementary

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

  • #1E313F

    #1E313F

    oklch(30.3% 0.035 241.3)

  • #3F2824

    #3F2824

    oklch(30.4% 0.036 30.2)

  • #352E19

    #352E19

    oklch(30.3% 0.036 91.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1E313F

    #1E313F

    oklch(30.3% 0.035 241.3)

  • #3E272D

    #3E272D

    oklch(30.3% 0.036 2.4)

  • #2C321D

    #2C321D

    oklch(30.5% 0.036 121.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1E313F

    #1E313F

    oklch(30.3% 0.035 241.3)

  • #392837

    #392837

    oklch(30.3% 0.036 330.5)

  • #3C2B1C

    #3C2B1C

    oklch(30.5% 0.036 62.3)

  • #213426

    #213426

    oklch(30.4% 0.035 152.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1E313F, closest first.

Similar named colors

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

Use #1E313F 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.