#212B01
Closest named color: Very Dark Green (#062E03). oklch(27% 0.064 122.4), rgb(33, 43, 1).
Aa
White text reads best on this color (14.88:1).
About this color
#212B01 is a dark, muted brown. In OKLCH its lightness is 27%, its chroma 0.064 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Green (#062E03), ΔE 0.031 away. White text reads best on it, at 14.88:1.
| Hue family | Browns |
| Lightness | dark (27%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Very Dark Green (#062E03) |
| Black text | 1.41:1 |
| White text | 14.88:1 |
Values
| HEX | #212B01 |
| RGB | rgb(33, 43, 1) |
| HSL | hsl(74, 95%, 9%) |
| OKLCH | oklch(27% 0.064 122.4) |
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 #212B01 | 14.88:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #212B01 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #212B01 text on white | 14.88:1 | AAA | Lc 101.7 | Preferred for body text |
| #212B01 text on black | 1.41:1 | 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
#F4F7EF
oklch(97.2% 0.011 123.5)
-
Step 100
100
#E7ECDD
oklch(93.5% 0.021 121.8)
-
Step 200
200
#D4DEC0
oklch(88.5% 0.042 122.3)
-
Step 300
300
#B8C992
oklch(80.9% 0.076 122.1)
-
Step 400
400
#93AD51
oklch(70.8% 0.123 122.7)
-
Step 500
500
#7A9700
oklch(63.1% 0.154 122.2)
-
Step 600
600
#667F00
oklch(55.6% 0.135 122.3)
-
Step 700
700
#556B00
oklch(49.2% 0.12 122.6)
-
Step 800
800
#455700
oklch(42.6% 0.104 122.4)
-
Step 900
900
#394900
oklch(37.8% 0.092 122.7)
-
Step 950
950 (this color)
#212B01
oklch(27% 0.064 122.4)
#212B01 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) | #2E2800 | 0.024 |
| Deuteranopia (no green cones) | #2D2704 | 0.026 |
| Tritanopia (no blue cones) | #232823 | 0.054 |
| Achromatopsia (no color) | #272727 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212B01
#212B01
oklch(27% 0.064 122.4)
- #2D1E40
#2D1E40
oklch(27.1% 0.063 302.8)
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 #212B01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Green #062E03 ΔE 0.031
- Dark Forest Green #002D04 ΔE 0.035
- Pakistan Green #283618 ΔE 0.044
- Dark Brown #341C02 ΔE 0.060
- Jet #212529 ΔE 0.071
- Hunter Green #0B4008 ΔE 0.071
- Dark Olive #373E02 ΔE 0.077
- Chocolate Brown #411900 ΔE 0.081
Use #212B01 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.