#0D1732
Closest named color: Rich Black (#0D1B2A). oklch(21.2% 0.055 266.5), rgb(13, 23, 50).
Aa
White text reads best on this color (17.71:1).
About this color
#0D1732 is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.055 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.023 away. White text reads best on it, at 17.71:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.71:1 |
Values
| HEX | #0D1732 |
| RGB | rgb(13, 23, 50) |
| HSL | hsl(224, 59%, 12%) |
| OKLCH | oklch(21.2% 0.055 266.5) |
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 #0D1732 | 17.71:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #0D1732 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #0D1732 text on white | 17.71:1 | AAA | Lc 104.4 | Preferred for body text |
| #0D1732 text on black | 1.18:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CED9F2
oklch(88.5% 0.036 266.7)
-
Step 300
300
#ADC0EC
oklch(80.8% 0.066 266.6)
-
Step 400
400
#839FE2
oklch(70.8% 0.104 266.4)
-
Step 500
500
#6485DA
oklch(63% 0.134 266.6)
-
Step 600
600
#4C6DC8
oklch(55.6% 0.146 266.7)
-
Step 700
700
#3D5BAD
oklch(49.2% 0.135 266.4)
-
Step 800
800
#324B8C
oklch(42.8% 0.112 266)
-
Step 900
900
#2C3F70
oklch(37.8% 0.087 266.3)
-
Step 950
950 (this color)
#0D1732
oklch(21.2% 0.055 266.5)
#0D1732 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) | #0A1A33 | 0.010 |
| Deuteranopia (no green cones) | #051731 | 0.011 |
| Tritanopia (no blue cones) | #001D22 | 0.046 |
| Achromatopsia (no color) | #181818 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D1732
#0D1732
oklch(21.2% 0.055 266.5)
- #221700
#221700
oklch(21.3% 0.044 85.3)
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 #0D1732, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.023
- Navy Blue #001146 ΔE 0.047
- Dark #1B2431 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.058
- Rich Navy #001219 ΔE 0.058
- Dark Navy #000435 ΔE 0.066
- Jet #212529 ΔE 0.068
- Night Blue #040348 ΔE 0.068
Use #0D1732 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.