#0A271B
Closest named color: Jet (#212529). oklch(24.7% 0.042 163.1), rgb(10, 39, 27).
Aa
White text reads best on this color (15.92:1).
About this color
#0A271B is a very dark, muted green. In OKLCH its lightness is 25%, its chroma 0.042 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.045 away. White text reads best on it, at 15.92:1.
| Hue family | Greens |
| Lightness | very dark (25%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.31:1 |
| White text | 15.92:1 |
Values
| HEX | #0A271B |
| RGB | rgb(10, 39, 27) |
| HSL | hsl(155, 59%, 10%) |
| OKLCH | oklch(24.7% 0.042 163.1) |
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 #0A271B | 15.92:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #0A271B | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #0A271B text on white | 15.92:1 | AAA | Lc 102.7 | Preferred for body text |
| #0A271B 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CADFD4
oklch(88.5% 0.027 163.1)
-
Step 300
300
#A4CBB8
oklch(80.9% 0.049 164.1)
-
Step 400
400
#71B093
oklch(70.6% 0.078 163.7)
-
Step 500
500
#469D78
oklch(63.2% 0.102 163.1)
-
Step 600
600
#1E8761
oklch(55.6% 0.11 163.4)
-
Step 700
700
#0B7250
oklch(49% 0.102 163.5)
-
Step 800
800
#115D41
oklch(42.6% 0.085 162.9)
-
Step 900
900
#194C37
oklch(37.6% 0.066 162.9)
-
Step 950
950 (this color)
#0A271B
oklch(24.7% 0.042 163.1)
#0A271B 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) | #26241A | 0.040 |
| Deuteranopia (no green cones) | #22211C | 0.039 |
| Tritanopia (no blue cones) | #012724 | 0.017 |
| Achromatopsia (no color) | #222222 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A271B
#0A271B
oklch(24.7% 0.042 163.1)
- #2F1826
#2F1826
oklch(24.6% 0.043 343.5)
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 #0A271B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.045
- Dark Forest Green #002D04 ΔE 0.047
- Very Dark Green #062E03 ΔE 0.049
- Dark #1B2431 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.061
- Oxford Blue #1B263B ΔE 0.068
- Pakistan Green #283618 ΔE 0.072
- Dark Brown #341C02 ΔE 0.074
Use #0A271B 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.