#12202E
Closest named color: Rich Black (#0D1B2A). oklch(23.8% 0.033 249.4), rgb(18, 32, 46).
Aa
White text reads best on this color (16.51:1).
About this color
#12202E is a very dark, muted blue. In OKLCH its lightness is 24%, its chroma 0.033 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.021 away. White text reads best on it, at 16.51:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.27:1 |
| White text | 16.51:1 |
Values
| HEX | #12202E |
| RGB | rgb(18, 32, 46) |
| HSL | hsl(210, 44%, 13%) |
| OKLCH | oklch(23.8% 0.033 249.4) |
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 #12202E | 16.51:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #12202E | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #12202E text on white | 16.51:1 | AAA | Lc 103.4 | Preferred for body text |
| #12202E text on black | 1.27:1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CFDBE7
oklch(88.6% 0.021 248.1)
-
Step 300
300
#AEC3DA
oklch(80.9% 0.04 250.7)
-
Step 400
400
#82A4C7
oklch(70.6% 0.064 249.5)
-
Step 500
500
#638DB9
oklch(63% 0.081 250.3)
-
Step 600
600
#4977A5
oklch(55.6% 0.088 249.7)
-
Step 700
700
#3A648D
oklch(49.1% 0.081 249.3)
-
Step 800
800
#305273
oklch(42.8% 0.068 249)
-
Step 900
900
#2B445D
oklch(37.8% 0.053 249.4)
-
Step 950
950 (this color)
#12202E
oklch(23.8% 0.033 249.4)
#12202E 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) | #1A202F | 0.012 |
| Deuteranopia (no green cones) | #171E2E | 0.010 |
| Tritanopia (no blue cones) | #052325 | 0.028 |
| Achromatopsia (no color) | #1F1F1F | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12202E
#12202E
oklch(23.8% 0.033 249.4)
- #291C0C
#291C0C
oklch(23.8% 0.034 70.7)
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 #12202E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.021
- Dark #1B2431 ΔE 0.021
- Oxford Blue #1B263B ΔE 0.034
- Jet #212529 ΔE 0.034
- Space Cadet #2B2D42 ΔE 0.070
- Rich Navy #001219 ΔE 0.071
- Navy Blue #001146 ΔE 0.075
- Gunmetal #293241 ΔE 0.078
Use #12202E 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.