#10132C
Closest named color: Rich Black (#0D1B2A). oklch(19.9% 0.05 275.8), rgb(16, 19, 44).
Aa
White text reads best on this color (18.23:1).
About this color
#10132C is a very dark, muted blue. In OKLCH its lightness is 20%, its chroma 0.050 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.029 away. White text reads best on it, at 18.23:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.23:1 |
Values
| HEX | #10132C |
| RGB | rgb(16, 19, 44) |
| HSL | hsl(234, 47%, 12%) |
| OKLCH | oklch(19.9% 0.05 275.8) |
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 #10132C | 18.23:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #10132C | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #10132C text on white | 18.23:1 | AAA | Lc 104.8 | Preferred for body text |
| #10132C 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D3D8EF
oklch(88.5% 0.032 276)
-
Step 300
300
#B6BEE7
oklch(80.9% 0.059 276.4)
-
Step 400
400
#909CDB
oklch(70.7% 0.093 275.5)
-
Step 500
500
#7682D2
oklch(63.2% 0.121 275.9)
-
Step 600
600
#5F6ABF
oklch(55.6% 0.131 275.7)
-
Step 700
700
#4F58A5
oklch(49.1% 0.122 275.9)
-
Step 800
800
#404885
oklch(42.6% 0.101 275.6)
-
Step 900
900
#363D6B
oklch(37.7% 0.079 275.4)
-
Step 950
950 (this color)
#10132C
oklch(19.9% 0.05 275.8)
#10132C 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) | #08162D | 0.014 |
| Deuteranopia (no green cones) | #06142B | 0.016 |
| Tritanopia (no blue cones) | #05181D | 0.043 |
| Achromatopsia (no color) | #151515 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10132C
#10132C
oklch(19.9% 0.05 275.8)
- #1B1500
#1B1500
oklch(19.7% 0.041 95.6)
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 #10132C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.029
- Rich Navy #001219 ΔE 0.050
- Navy Blue #001146 ΔE 0.056
- Dark Navy #000435 ΔE 0.062
- Dark #1B2431 ΔE 0.064
- Almost Black #070D0D ΔE 0.068
- Midnight #03012D ΔE 0.069
- Midnight Purple #280137 ΔE 0.070
Use #10132C 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.