#0B2E3D

Closest named color: Oxford Blue (#1B263B). oklch(28.4% 0.048 230.4), rgb(11, 46, 61).

Aa

White text reads best on this color (14.26:1).

About this color

#0B2E3D is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.048 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.030 away. White text reads best on it, at 14.26:1.

Hue familyBlues
Lightnessdark (28%)
Chromamuted (0.048)
Temperaturecool
Nearest nameOxford Blue (#1B263B)
Black text1.47:1
White text14.26:1

Values

HEX#0B2E3D
RGBrgb(11, 46, 61)
HSLhsl(198, 69%, 14%)
OKLCHoklch(28.4% 0.048 230.4)

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 #0B2E3D 14.26:1 AAA Lc -103.8 Preferred for body text
Black text on #0B2E3D 1.47:1 Fails Lc 0.0 Not readable
#0B2E3D text on white 14.26:1 AAA Lc 100.8 Preferred for body text
#0B2E3D text on black 1.47:1 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

    #F1F6FA

    oklch(97.1% 0.008 241.7)

  2. Step 100

    100

    #DFECF3

    oklch(93.5% 0.017 230.9)

  3. Step 200

    200

    #C5DEEA

    oklch(88.6% 0.031 228.2)

  4. Step 300

    300

    #9CC8DF

    oklch(80.9% 0.057 231.1)

  5. Step 400

    400

    #61ABCE

    oklch(70.7% 0.09 230.3)

  6. Step 500

    500

    #2695C2

    oklch(63% 0.116 230.8)

  7. Step 600

    600

    #007EA8

    oklch(55.6% 0.112 230.6)

  8. Step 700

    700

    #006A8E

    oklch(49.1% 0.099 230.6)

  9. Step 800

    800

    #005775

    oklch(42.8% 0.086 230.3)

  10. Step 900

    900

    #004862

    oklch(37.7% 0.076 230.8)

  11. Step 950

    950 (this color)

    #0B2E3D

    oklch(28.4% 0.048 230.4)

Export this scale for Tailwind in the Tailwind colors tool

#0B2E3D 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)#262D3E0.032
Deuteranopia (no green cones)#20283D0.029
Tritanopia (no blue cones)#0032330.028
Achromatopsia (no color)#2A2A2A0.048

Harmonies

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

Complementary

The opposite hue (180°).

  • #0B2E3D

    #0B2E3D

    oklch(28.4% 0.048 230.4)

  • #3D2213

    #3D2213

    oklch(28.4% 0.049 49)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #0B2E3D

    #0B2E3D

    oklch(28.4% 0.048 230.4)

  • #013133

    #013133

    oklch(28.5% 0.048 199.2)

  • #1C2A41

    #1C2A41

    oklch(28.4% 0.047 260)

Open the analogous palette in the generator

Split complementary

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

  • #0B2E3D

    #0B2E3D

    oklch(28.4% 0.048 230.4)

  • #3E2020

    #3E2020

    oklch(28.4% 0.047 20.4)

  • #36270B

    #36270B

    oklch(28.4% 0.047 80.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #0B2E3D

    #0B2E3D

    oklch(28.4% 0.048 230.4)

  • #3C202D

    #3C202D

    oklch(28.6% 0.047 351.2)

  • #2B2C0D

    #2B2C0D

    oklch(28.4% 0.048 110.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #0B2E3D

    #0B2E3D

    oklch(28.4% 0.048 230.4)

  • #342238

    #342238

    oklch(28.4% 0.046 320.2)

  • #3D2213

    #3D2213

    oklch(28.4% 0.049 49)

  • #1C3019

    #1C3019

    oklch(28.5% 0.048 141.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0B2E3D, closest first.

Similar named colors

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

Use #0B2E3D 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.