#0B2134
Closest named color: Rich Black (#0D1B2A). oklch(24.1% 0.046 247.2), rgb(11, 33, 52).
Aa
White text reads best on this color (16.38:1).
About this color
#0B2134 is a very dark, muted blue. In OKLCH its lightness is 24%, its chroma 0.046 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.025 away. White text reads best on it, at 16.38:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.28:1 |
| White text | 16.38:1 |
Values
| HEX | #0B2134 |
| RGB | rgb(11, 33, 52) |
| HSL | hsl(208, 65%, 12%) |
| OKLCH | oklch(24.1% 0.046 247.2) |
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 #0B2134 | 16.38:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #0B2134 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #0B2134 text on white | 16.38:1 | AAA | Lc 103.2 | Preferred for body text |
| #0B2134 text on black | 1.28:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CADCED
oklch(88.6% 0.03 246.6)
-
Step 300
300
#A5C5E3
oklch(81% 0.055 246.8)
-
Step 400
400
#73A6D4
oklch(70.7% 0.087 246.6)
-
Step 500
500
#4D8FC9
oklch(63.2% 0.111 247.1)
-
Step 600
600
#2C78B6
oklch(55.6% 0.121 247.1)
-
Step 700
700
#1E659D
oklch(49.2% 0.113 247)
-
Step 800
800
#1C527F
oklch(42.6% 0.094 247.5)
-
Step 900
900
#1D4466
oklch(37.6% 0.073 247.5)
-
Step 950
950 (this color)
#0B2134
oklch(24.1% 0.046 247.2)
#0B2134 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) | #192235 | 0.019 |
| Deuteranopia (no green cones) | #131E34 | 0.013 |
| Tritanopia (no blue cones) | #002628 | 0.035 |
| Achromatopsia (no color) | #1F1F1F | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B2134
#0B2134
oklch(24.1% 0.046 247.2)
- #2E1B04
#2E1B04
oklch(24.2% 0.047 68.5)
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 #0B2134, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.025
- Dark #1B2431 ΔE 0.026
- Oxford Blue #1B263B ΔE 0.031
- Jet #212529 ΔE 0.042
- Navy Blue #001146 ΔE 0.066
- Space Cadet #2B2D42 ΔE 0.069
- Rich Navy #001219 ΔE 0.075
- Gunmetal #293241 ΔE 0.077
Use #0B2134 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.