#11182E
Closest named color: Rich Black (#0D1B2A). oklch(21.5% 0.045 269.1), rgb(17, 24, 46).
Aa
White text reads best on this color (17.58:1).
About this color
#11182E is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.045 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.016 away. White text reads best on it, at 17.58:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.19:1 |
| White text | 17.58:1 |
Values
| HEX | #11182E |
| RGB | rgb(17, 24, 46) |
| HSL | hsl(226, 46%, 12%) |
| OKLCH | oklch(21.5% 0.045 269.1) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #11182E | 17.58:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #11182E | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #11182E text on white | 17.58:1 | AAA | Lc 104.4 | Preferred for body text |
| #11182E text on black | 1.19:1 | 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.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D1D9ED
oklch(88.5% 0.029 268.3)
-
Step 300
300
#B2C0E4
oklch(80.9% 0.053 268.5)
-
Step 400
400
#8B9FD6
oklch(70.8% 0.084 268.8)
-
Step 500
500
#6F86CB
oklch(63.1% 0.108 269.2)
-
Step 600
600
#576FB8
oklch(55.7% 0.117 268.7)
-
Step 700
700
#485C9F
oklch(49.1% 0.11 269.5)
-
Step 800
800
#3B4C80
oklch(42.8% 0.089 268.8)
-
Step 900
900
#323F67
oklch(37.6% 0.071 269.2)
-
Step 950
950 (this color)
#11182E
oklch(21.5% 0.045 269.1)
#11182E 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0F1A2F | 0.007 |
| Deuteranopia (no green cones) | #0C182E | 0.007 |
| Tritanopia (no blue cones) | #051D20 | 0.041 |
| Achromatopsia (no color) | #191919 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11182E
#11182E
oklch(21.5% 0.045 269.1)
- #221800
#221800
oklch(21.6% 0.044 88)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #11182E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.016
- Dark #1B2431 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.054
- Rich Navy #001219 ΔE 0.056
- Navy Blue #001146 ΔE 0.058
- Jet #212529 ΔE 0.059
- Dark Navy #000435 ΔE 0.075
- Almost Black #070D0D ΔE 0.076
Use #11182E 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.