#2B1503
Closest named color: Dark Brown (#341C02). oklch(22.3% 0.047 58.7), rgb(43, 21, 3).
Aa
White text reads best on this color (17.33:1).
About this color
#2B1503 is a very dark, muted brown. In OKLCH its lightness is 22%, its chroma 0.047 and its hue 59°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.032 away. White text reads best on it, at 17.33:1.
| Hue family | Browns |
| Lightness | very dark (22%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.21:1 |
| White text | 17.33:1 |
Values
| HEX | #2B1503 |
| RGB | rgb(43, 21, 3) |
| HSL | hsl(27, 87%, 9%) |
| OKLCH | oklch(22.3% 0.047 58.7) |
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 #2B1503 | 17.33:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #2B1503 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #2B1503 text on white | 17.33:1 | AAA | Lc 104.0 | Preferred for body text |
| #2B1503 text on black | 1.21:1 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8E0
oklch(93.7% 0.015 61.3)
-
Step 200
200
#E9D5C6
oklch(88.5% 0.03 59.3)
-
Step 300
300
#DDB99E
oklch(81% 0.056 58.7)
-
Step 400
400
#CA9368
oklch(70.7% 0.088 58.7)
-
Step 500
500
#BC773D
oklch(63.1% 0.114 58.5)
-
Step 600
600
#A75E16
oklch(55.5% 0.123 58.5)
-
Step 700
700
#8F4D04
oklch(49% 0.115 58.6)
-
Step 800
800
#74400B
oklch(42.7% 0.095 59.2)
-
Step 900
900
#5E3714
oklch(37.8% 0.074 59.2)
-
Step 950
950 (this color)
#2B1503
oklch(22.3% 0.047 58.7)
#2B1503 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) | #1C1702 | 0.034 |
| Deuteranopia (no green cones) | #211C03 | 0.031 |
| Tritanopia (no blue cones) | #301011 | 0.033 |
| Achromatopsia (no color) | #1A1A1A | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B1503
#2B1503
oklch(22.3% 0.047 58.7)
- #021E2E
#021E2E
oklch(22.3% 0.046 237.5)
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 #2B1503, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.032
- Chocolate Brown #411900 ΔE 0.054
- Deep Brown #410200 ΔE 0.060
- Dark Maroon #3C0008 ΔE 0.061
- Jet #212529 ΔE 0.069
- Very Dark Brown #1D0200 ΔE 0.075
- Mahogany #4A0100 ΔE 0.076
- Dark #1B2431 ΔE 0.082
Use #2B1503 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.