#021F13
Closest named color: Rich Black (#0D1B2A). oklch(21.3% 0.043 162.7), rgb(2, 31, 19).
Aa
White text reads best on this color (17.38:1).
About this color
#021F13 is a very dark, muted green. In OKLCH its lightness is 21%, its chroma 0.043 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.055 away. White text reads best on it, at 17.38:1.
| Hue family | Greens |
| Lightness | very dark (21%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.38:1 |
Values
| HEX | #021F13 |
| RGB | rgb(2, 31, 19) |
| HSL | hsl(155, 88%, 6%) |
| OKLCH | oklch(21.3% 0.043 162.7) |
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 #021F13 | 17.38:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #021F13 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #021F13 text on white | 17.38:1 | AAA | Lc 104.1 | Preferred for body text |
| #021F13 text on black | 1.20:1 | 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
#C9DFD4
oklch(88.4% 0.028 164.3)
-
Step 300
300
#A4CBB7
oklch(80.8% 0.05 162.8)
-
Step 400
400
#6FB192
oklch(70.7% 0.082 163)
-
Step 500
500
#449D77
oklch(63.1% 0.104 162.8)
-
Step 600
600
#19875F
oklch(55.5% 0.113 162.7)
-
Step 700
700
#03734F
oklch(49.2% 0.106 162.8)
-
Step 800
800
#0D5E41
oklch(42.9% 0.088 162.8)
-
Step 900
900
#174D37
oklch(37.8% 0.068 162.7)
-
Step 950
950 (this color)
#021F13
oklch(21.3% 0.043 162.7)
#021F13 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) | #1E1C12 | 0.041 |
| Deuteranopia (no green cones) | #1A1914 | 0.040 |
| Tritanopia (no blue cones) | #001F1C | 0.017 |
| Achromatopsia (no color) | #1A1A1A | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #021F13
#021F13
oklch(21.3% 0.043 162.7)
- #26101E
#26101E
oklch(21.2% 0.043 342.6)
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 #021F13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.055
- Rich Navy #001219 ΔE 0.059
- Dark Forest Green #002D04 ΔE 0.063
- Jet #212529 ΔE 0.066
- Very Dark Green #062E03 ΔE 0.068
- Dark #1B2431 ΔE 0.070
- Almost Black #070D0D ΔE 0.070
- Dark Brown #341C02 ΔE 0.084
Use #021F13 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.