#02271D
Closest named color: Jet (#212529). oklch(24.4% 0.046 170.6), rgb(2, 39, 29).
Aa
White text reads best on this color (16.02:1).
About this color
#02271D is a very dark, muted teal or cyan. In OKLCH its lightness is 24%, its chroma 0.046 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.048 away. White text reads best on it, at 16.02:1.
| Hue family | Teals and cyans |
| Lightness | very dark (24%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.31:1 |
| White text | 16.02:1 |
Values
| HEX | #02271D |
| RGB | rgb(2, 39, 29) |
| HSL | hsl(164, 90%, 8%) |
| OKLCH | oklch(24.4% 0.046 170.6) |
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 #02271D | 16.02:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #02271D | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #02271D text on white | 16.02:1 | AAA | Lc 102.8 | Preferred for body text |
| #02271D text on black | 1.31:1 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EDE8
oklch(93.5% 0.015 171)
-
Step 200
200
#C6E0D6
oklch(88.5% 0.031 170.5)
-
Step 300
300
#9ECCBC
oklch(80.8% 0.053 171.6)
-
Step 400
400
#64B299
oklch(70.6% 0.086 171)
-
Step 500
500
#2C9F80
oklch(63.2% 0.111 170.6)
-
Step 600
600
#00876A
oklch(55.5% 0.109 170.8)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#044E3C
oklch(37.8% 0.073 170.3)
-
Step 950
950 (this color)
#02271D
oklch(24.4% 0.046 170.6)
#02271D 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) | #25241D | 0.046 |
| Deuteranopia (no green cones) | #21201E | 0.046 |
| Tritanopia (no blue cones) | #002724 | 0.013 |
| Achromatopsia (no color) | #212121 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02271D
#02271D
oklch(24.4% 0.046 170.6)
- #301623
#301623
oklch(24.3% 0.046 349.8)
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 #02271D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.048
- Dark Forest Green #002D04 ΔE 0.049
- Very Dark Green #062E03 ΔE 0.052
- Dark #1B2431 ΔE 0.054
- Rich Black #0D1B2A ΔE 0.059
- Oxford Blue #1B263B ΔE 0.068
- Pakistan Green #283618 ΔE 0.077
- Dark Brown #341C02 ΔE 0.081
Use #02271D 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.