#04202E
Closest named color: Rich Black (#0D1B2A). oklch(23% 0.043 234.1), rgb(4, 32, 46).
Aa
White text reads best on this color (16.78:1).
About this color
#04202E is a very dark, muted blue. In OKLCH its lightness is 23%, its chroma 0.043 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.019 away. White text reads best on it, at 16.78:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.25:1 |
| White text | 16.78:1 |
Values
| HEX | #04202E |
| RGB | rgb(4, 32, 46) |
| HSL | hsl(200, 84%, 10%) |
| OKLCH | oklch(23% 0.043 234.1) |
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 #04202E | 16.78:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #04202E | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #04202E text on white | 16.78:1 | AAA | Lc 103.5 | Preferred for body text |
| #04202E text on black | 1.25:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDE9
oklch(88.6% 0.028 232.7)
-
Step 300
300
#A1C7DD
oklch(80.9% 0.051 233.6)
-
Step 400
400
#6CA9CC
oklch(70.7% 0.081 234.8)
-
Step 500
500
#3E93BF
oklch(63% 0.105 234.5)
-
Step 600
600
#0F7DAB
oklch(55.6% 0.113 234.1)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#065677
oklch(42.7% 0.087 233.8)
-
Step 900
900
#144760
oklch(37.7% 0.068 234.3)
-
Step 950
950 (this color)
#04202E
oklch(23% 0.043 234.1)
#04202E 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) | #19202F | 0.027 |
| Deuteranopia (no green cones) | #131C2E | 0.021 |
| Tritanopia (no blue cones) | #002425 | 0.027 |
| Achromatopsia (no color) | #1D1D1D | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04202E
#04202E
oklch(23% 0.043 234.1)
- #2C1708
#2C1708
oklch(23% 0.042 54.6)
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 #04202E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.019
- Dark #1B2431 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.044
- Jet #212529 ΔE 0.046
- Rich Navy #001219 ΔE 0.063
- Navy Blue #001146 ΔE 0.071
- Space Cadet #2B2D42 ΔE 0.081
- Almost Black #070D0D ΔE 0.086
Use #04202E 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.