#02242B
Closest named color: Dark (#1B2431). oklch(24% 0.04 214.4), rgb(2, 36, 43).
Aa
White text reads best on this color (16.28:1).
About this color
#02242B is a very dark, muted teal or cyan. In OKLCH its lightness is 24%, its chroma 0.040 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.033 away. White text reads best on it, at 16.28:1.
| Hue family | Teals and cyans |
| Lightness | very dark (24%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.28:1 |
| White text | 16.28:1 |
Values
| HEX | #02242B |
| RGB | rgb(2, 36, 43) |
| HSL | hsl(190, 91%, 9%) |
| OKLCH | oklch(24% 0.04 214.4) |
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 #02242B | 16.28:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #02242B | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #02242B text on white | 16.28:1 | AAA | Lc 103.0 | Preferred for body text |
| #02242B text on black | 1.28:1 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECEF
oklch(93.5% 0.013 214.4)
-
Step 200
200
#C6DEE4
oklch(88.5% 0.027 214.4)
-
Step 300
300
#9EC9D4
oklch(80.9% 0.048 215.1)
-
Step 400
400
#65ADBE
oklch(70.7% 0.076 214.6)
-
Step 500
500
#2F98AE
oklch(63% 0.098 214.9)
-
Step 600
600
#008196
oklch(55.5% 0.098 214.4)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900
#074A56
oklch(37.7% 0.063 213.8)
-
Step 950
950 (this color)
#02242B
oklch(24% 0.04 214.4)
#02242B 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) | #1F222B | 0.036 |
| Deuteranopia (no green cones) | #191E2B | 0.033 |
| Tritanopia (no blue cones) | #002726 | 0.017 |
| Achromatopsia (no color) | #202020 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02242B
#02242B
oklch(24% 0.04 214.4)
- #301812
#301812
oklch(24.1% 0.041 34.9)
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 #02242B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.033
- Rich Black #0D1B2A ΔE 0.033
- Jet #212529 ΔE 0.039
- Oxford Blue #1B263B ΔE 0.045
- Rich Navy #001219 ΔE 0.072
- Space Cadet #2B2D42 ΔE 0.077
- Gunmetal #293241 ΔE 0.081
- Dark Forest Green #002D04 ΔE 0.081
Use #02242B 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.