#02271F
Closest named color: Jet (#212529). oklch(24.4% 0.044 174.9), rgb(2, 39, 31).
Aa
White text reads best on this color (15.99:1).
About this color
#02271F is a very dark, muted teal or cyan. In OKLCH its lightness is 24%, its chroma 0.044 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.046 away. White text reads best on it, at 15.99:1.
| Hue family | Teals and cyans |
| Lightness | very dark (24%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.31:1 |
| White text | 15.99:1 |
Values
| HEX | #02271F |
| RGB | rgb(2, 39, 31) |
| HSL | hsl(167, 90%, 8%) |
| OKLCH | oklch(24.4% 0.044 174.9) |
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 #02271F | 15.99:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #02271F | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #02271F text on white | 15.99:1 | AAA | Lc 102.7 | Preferred for body text |
| #02271F 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
#E0EDE9
oklch(93.5% 0.015 175.7)
-
Step 200
200
#C6E0D8
oklch(88.5% 0.03 175.2)
-
Step 300
300
#9ECCBE
oklch(80.9% 0.052 174.3)
-
Step 400
400
#64B29D
oklch(70.7% 0.084 174.4)
-
Step 500
500
#2B9E86
oklch(63% 0.106 175.4)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715D
oklch(49% 0.093 174.7)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#044D3F
oklch(37.6% 0.069 174.8)
-
Step 950
950 (this color)
#02271F
oklch(24.4% 0.044 174.9)
#02271F 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) | #25241F | 0.046 |
| Deuteranopia (no green cones) | #202020 | 0.044 |
| Tritanopia (no blue cones) | #002825 | 0.011 |
| Achromatopsia (no color) | #222222 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02271F
#02271F
oklch(24.4% 0.044 174.9)
- #311721
#311721
oklch(24.5% 0.044 356.4)
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 #02271F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.046
- Dark #1B2431 ΔE 0.051
- Dark Forest Green #002D04 ΔE 0.052
- Very Dark Green #062E03 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.057
- Oxford Blue #1B263B ΔE 0.065
- Pakistan Green #283618 ΔE 0.077
- Dark Brown #341C02 ΔE 0.081
Use #02271F 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.