#571F03
Closest named color: Reddy Brown (#6E1005). oklch(32% 0.091 43.1), rgb(87, 31, 3).
Aa
White text reads best on this color (13.10:1).
About this color
#571F03 is a dark, moderately saturated brown. In OKLCH its lightness is 32%, its chroma 0.091 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.052 away. White text reads best on it, at 13.10:1.
| Hue family | Browns |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.60:1 |
| White text | 13.10:1 |
Values
| HEX | #571F03 |
| RGB | rgb(87, 31, 3) |
| HSL | hsl(20, 93%, 18%) |
| OKLCH | oklch(32% 0.091 43.1) |
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 #571F03 | 13.10:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #571F03 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #571F03 text on white | 13.10:1 | AAA | Lc 98.8 | Preferred for body text |
| #571F03 text on black | 1.60:1 | 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
#FFF3EE
oklch(97.2% 0.015 44.2)
-
Step 100
100
#FDE4DA
oklch(93.6% 0.031 43.1)
-
Step 200
200
#FCCDBA
oklch(88.4% 0.059 43.1)
-
Step 300
300
#FCAA88
oklch(81% 0.108 43.3)
-
Step 400
400
#F6763C
oklch(70.7% 0.173 43.1)
-
Step 500
500
#E15800
oklch(63.2% 0.187 43.1)
-
Step 600
600
#BE4900
oklch(55.6% 0.165 43.1)
-
Step 700
700
#A03C00
oklch(49% 0.145 43)
-
Step 800
800
#853100
oklch(42.9% 0.126 43.3)
-
Step 900
900
#6F2700
oklch(37.6% 0.111 42.9)
-
Step 950
950 (this color)
#571F03
oklch(32% 0.091 43.1)
#571F03 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) | #2F2900 | 0.088 |
| Deuteranopia (no green cones) | #3D3501 | 0.078 |
| Tritanopia (no blue cones) | #61111A | 0.045 |
| Achromatopsia (no color) | #303030 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #571F03
#571F03
oklch(32% 0.091 43.1)
- #003949
#003949
oklch(32% 0.06 223.4)
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 #571F03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.052
- Chocolate Brown #411900 ΔE 0.055
- Claret #680018 ΔE 0.062
- Mahogany #4A0100 ΔE 0.068
- Chestnut #742802 ΔE 0.070
- Burgundy #610023 ΔE 0.071
- Blood #770001 ΔE 0.073
- Dark Brown #341C02 ΔE 0.081
Use #571F03 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.