#1B2501
Closest named color: Very Dark Green (#062E03). oklch(24.6% 0.059 123.7), rgb(27, 37, 1).
Aa
White text reads best on this color (16.01:1).
About this color
#1B2501 is a very dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.059 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Green (#062E03), ΔE 0.036 away. White text reads best on it, at 16.01:1.
| Hue family | Browns |
| Lightness | very dark (25%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Very Dark Green (#062E03) |
| Black text | 1.31:1 |
| White text | 16.01:1 |
Values
| HEX | #1B2501 |
| RGB | rgb(27, 37, 1) |
| HSL | hsl(77, 95%, 7%) |
| OKLCH | oklch(24.6% 0.059 123.7) |
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 #1B2501 | 16.01:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #1B2501 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #1B2501 text on white | 16.01:1 | AAA | Lc 102.9 | Preferred for body text |
| #1B2501 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
#F4F7F0
oklch(97.2% 0.01 125.7)
-
Step 100
100
#E7ECDE
oklch(93.5% 0.019 122.8)
-
Step 200
200
#D4DEC2
oklch(88.5% 0.039 123.2)
-
Step 300
300
#B7C997
oklch(80.9% 0.07 124)
-
Step 400
400
#92AC5B
oklch(70.6% 0.111 123.8)
-
Step 500
500
#789721
oklch(63.1% 0.144 123.8)
-
Step 600
600
#638000
oklch(55.7% 0.138 124)
-
Step 700
700
#536B00
oklch(49% 0.121 123.6)
-
Step 800
800
#435800
oklch(42.7% 0.106 124.1)
-
Step 900
900
#384900
oklch(37.7% 0.093 123.4)
-
Step 950
950 (this color)
#1B2501
oklch(24.6% 0.059 123.7)
#1B2501 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) | #282200 | 0.025 |
| Deuteranopia (no green cones) | #272103 | 0.026 |
| Tritanopia (no blue cones) | #1D231E | 0.048 |
| Achromatopsia (no color) | #212121 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B2501
#1B2501
oklch(24.6% 0.059 123.7)
- #271837
#271837
oklch(24.5% 0.06 304.7)
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 #1B2501, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Green #062E03 ΔE 0.036
- Dark Forest Green #002D04 ΔE 0.037
- Dark Brown #341C02 ΔE 0.057
- Pakistan Green #283618 ΔE 0.066
- Jet #212529 ΔE 0.067
- Dark #1B2431 ΔE 0.082
- Chocolate Brown #411900 ΔE 0.083
- Rich Black #0D1B2A ΔE 0.090
Use #1B2501 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.