#211F01
Closest named color: Dark Brown (#341C02). oklch(23.4% 0.048 106), rgb(33, 31, 1).
Aa
White text reads best on this color (16.65:1).
About this color
#211F01 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.048 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.041 away. White text reads best on it, at 16.65:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.26:1 |
| White text | 16.65:1 |
Values
| HEX | #211F01 |
| RGB | rgb(33, 31, 1) |
| HSL | hsl(56, 94%, 7%) |
| OKLCH | oklch(23.4% 0.048 106) |
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 #211F01 | 16.65:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #211F01 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #211F01 text on white | 16.65:1 | AAA | Lc 103.5 | Preferred for body text |
| #211F01 text on black | 1.26:1 | 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
#F6F6F0
oklch(97.1% 0.008 106.5)
-
Step 100
100
#EBEBDE
oklch(93.7% 0.017 106.7)
-
Step 200
200
#DBDBC3
oklch(88.5% 0.032 107)
-
Step 300
300
#C5C399
oklch(80.8% 0.056 105.3)
-
Step 400
400
#A8A45F
oklch(70.6% 0.091 105.6)
-
Step 500
500
#938D2B
oklch(63% 0.117 105.8)
-
Step 600
600
#7D7700
oklch(55.7% 0.119 106.2)
-
Step 700
700
#696400
oklch(49.2% 0.105 106.3)
-
Step 800
800
#565100
oklch(42.6% 0.091 105.5)
-
Step 900
900
#474407
oklch(37.8% 0.076 106.5)
-
Step 950
950 (this color)
#211F01
oklch(23.4% 0.048 106)
#211F01 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) | #231D00 | 0.007 |
| Deuteranopia (no green cones) | #241F02 | 0.007 |
| Tritanopia (no blue cones) | #241C19 | 0.044 |
| Achromatopsia (no color) | #1E1E1E | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #211F01
#211F01
oklch(23.4% 0.048 106)
- #1C1A33
#1C1A33
oklch(23.4% 0.047 285.8)
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 #211F01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.041
- Dark Forest Green #002D04 ΔE 0.059
- Very Dark Green #062E03 ΔE 0.059
- Jet #212529 ΔE 0.063
- Chocolate Brown #411900 ΔE 0.070
- Dark #1B2431 ΔE 0.078
- Pakistan Green #283618 ΔE 0.080
- Rich Black #0D1B2A ΔE 0.082
Use #211F01 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.