#1F2803
Closest named color: Very Dark Green (#062E03). oklch(25.9% 0.059 122.3), rgb(31, 40, 3).
Aa
White text reads best on this color (15.40:1).
About this color
#1F2803 is a dark, muted brown. In OKLCH its lightness is 26%, its chroma 0.059 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 0.034 away. White text reads best on it, at 15.40:1.
| Hue family | Browns |
| Lightness | dark (26%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Very Dark Green (#062E03) |
| Black text | 1.36:1 |
| White text | 15.40:1 |
Values
| HEX | #1F2803 |
| RGB | rgb(31, 40, 3) |
| HSL | hsl(75, 86%, 8%) |
| OKLCH | oklch(25.9% 0.059 122.3) |
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 #1F2803 | 15.40:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #1F2803 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #1F2803 text on white | 15.40:1 | AAA | Lc 102.3 | Preferred for body text |
| #1F2803 text on black | 1.36:1 | 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
#B9C897
oklch(80.9% 0.068 121.8)
-
Step 400
400
#95AC5A
oklch(70.8% 0.111 122.2)
-
Step 500
500
#7B9620
oklch(63.1% 0.141 122.2)
-
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)
#1F2803
oklch(25.9% 0.059 122.3)
#1F2803 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) | #2B2500 | 0.022 |
| Deuteranopia (no green cones) | #2A2505 | 0.023 |
| Tritanopia (no blue cones) | #212521 | 0.050 |
| Achromatopsia (no color) | #252525 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F2803
#1F2803
oklch(25.9% 0.059 122.3)
- #291C3B
#291C3B
oklch(25.9% 0.058 301.8)
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 #1F2803, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Green #062E03 ΔE 0.034
- Dark Forest Green #002D04 ΔE 0.036
- Pakistan Green #283618 ΔE 0.053
- Dark Brown #341C02 ΔE 0.055
- Jet #212529 ΔE 0.065
- Chocolate Brown #411900 ΔE 0.079
- Dark #1B2431 ΔE 0.081
- Hunter Green #0B4008 ΔE 0.082
Use #1F2803 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.