#0A1332
Closest named color: Rich Black (#0D1B2A). oklch(20% 0.063 268.1), rgb(10, 19, 50).
Aa
White text reads best on this color (18.22:1).
About this color
#0A1332 is a very dark, muted blue. In OKLCH its lightness is 20%, its chroma 0.063 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.035 away. White text reads best on it, at 18.22:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.22:1 |
Values
| HEX | #0A1332 |
| RGB | rgb(10, 19, 50) |
| HSL | hsl(227, 67%, 12%) |
| OKLCH | oklch(20% 0.063 268.1) |
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 #0A1332 | 18.22:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #0A1332 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #0A1332 text on white | 18.22:1 | AAA | Lc 104.8 | Preferred for body text |
| #0A1332 text on black | 1.15:1 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CDD9F5
oklch(88.5% 0.041 267.1)
-
Step 300
300
#ACC0F2
oklch(81% 0.074 267.7)
-
Step 400
400
#819DEB
oklch(70.7% 0.119 268.2)
-
Step 500
500
#6283E5
oklch(63.2% 0.152 267.9)
-
Step 600
600
#4A6AD3
oklch(55.6% 0.166 267.9)
-
Step 700
700
#3C58B7
oklch(49.2% 0.154 268)
-
Step 800
800
#324894
oklch(42.7% 0.128 268.4)
-
Step 900
900
#2B3D76
oklch(37.7% 0.1 268.2)
-
Step 950
950 (this color)
#0A1332
oklch(20% 0.063 268.1)
#0A1332 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) | #031733 | 0.015 |
| Deuteranopia (no green cones) | #001331 | 0.016 |
| Tritanopia (no blue cones) | #001A20 | 0.050 |
| Achromatopsia (no color) | #151515 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A1332
#0A1332
oklch(20% 0.063 268.1)
- #1E1500
#1E1500
oklch(20.2% 0.041 88.5)
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 #0A1332, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.035
- Navy Blue #001146 ΔE 0.042
- Dark Navy #000435 ΔE 0.052
- Rich Navy #001219 ΔE 0.056
- Night Blue #040348 ΔE 0.058
- Very Dark Blue #000133 ΔE 0.063
- Midnight #03012D ΔE 0.063
- Dark Navy Blue #00022E ΔE 0.063
Use #0A1332 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.