#0D0D21
Closest named color: Rich Navy (#001219). oklch(17.2% 0.041 281.2), rgb(13, 13, 33).
Aa
White text reads best on this color (19.14:1).
About this color
#0D0D21 is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.041 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.036 away. White text reads best on it, at 19.14:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.09:1 |
| White text | 19.14:1 |
Values
| HEX | #0D0D21 |
| RGB | rgb(13, 13, 33) |
| HSL | hsl(240, 43%, 9%) |
| OKLCH | oklch(17.2% 0.041 281.2) |
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 #0D0D21 | 19.14:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #0D0D21 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #0D0D21 text on white | 19.14:1 | AAA | Lc 105.5 | Preferred for body text |
| #0D0D21 text on black | 1.09:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D5D7EB
oklch(88.4% 0.027 281.3)
-
Step 300
300
#BBBEE0
oklch(81% 0.048 281.3)
-
Step 400
400
#989BD0
oklch(70.6% 0.077 281.7)
-
Step 500
500
#7F82C4
oklch(63.1% 0.099 281.2)
-
Step 600
600
#696BB1
oklch(55.7% 0.108 281.1)
-
Step 700
700
#575998
oklch(49.2% 0.1 280.7)
-
Step 800
800
#47497B
oklch(42.7% 0.082 280.6)
-
Step 900
900
#3C3D63
oklch(37.7% 0.065 281.7)
-
Step 950
950 (this color)
#0D0D21
oklch(17.2% 0.041 281.2)
#0D0D21 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) | #061022 | 0.015 |
| Deuteranopia (no green cones) | #050E21 | 0.015 |
| Tritanopia (no blue cones) | #071115 | 0.035 |
| Achromatopsia (no color) | #0F0F0F | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D0D21
#0D0D21
oklch(17.2% 0.041 281.2)
- #131000
#131000
oklch(17.1% 0.036 101.6)
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 #0D0D21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.036
- Almost Black #070D0D ΔE 0.046
- Rich Black #0D1B2A ΔE 0.050
- Midnight #03012D ΔE 0.057
- Dark Navy #000435 ΔE 0.059
- Dark Navy Blue #00022E ΔE 0.060
- Very Dark Blue #000133 ΔE 0.065
- Navy Blue #001146 ΔE 0.075
Use #0D0D21 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.