#551F18
Closest named color: Claret (#680018). oklch(31.9% 0.082 29.7), rgb(85, 31, 24).
Aa
White text reads best on this color (13.16:1).
About this color
#551F18 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.082 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.054 away. White text reads best on it, at 13.16:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.082) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.59:1 |
| White text | 13.16:1 |
Values
| HEX | #551F18 |
| RGB | rgb(85, 31, 24) |
| HSL | hsl(7, 56%, 21%) |
| OKLCH | oklch(31.9% 0.082 29.7) |
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 #551F18 | 13.16:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #551F18 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #551F18 text on white | 13.16:1 | AAA | Lc 99.0 | Preferred for body text |
| #551F18 text on black | 1.59:1 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FCE3DF
oklch(93.5% 0.028 28.5)
-
Step 200
200
#FBCDC4
oklch(88.6% 0.054 31)
-
Step 300
300
#F9A99C
oklch(80.9% 0.097 29.5)
-
Step 400
400
#F27665
oklch(70.7% 0.156 29.5)
-
Step 500
500
#E94938
oklch(63% 0.199 29.7)
-
Step 600
600
#D51B0E
oklch(55.7% 0.217 29.7)
-
Step 700
700
#B70800
oklch(49.2% 0.199 29.7)
-
Step 800
800
#950F06
oklch(42.7% 0.166 29.8)
-
Step 900
900
#781A11
oklch(37.8% 0.13 29.8)
-
Step 950
950 (this color)
#551F18
oklch(31.9% 0.082 29.7)
#551F18 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) | #2D2917 | 0.085 |
| Deuteranopia (no green cones) | #3B3517 | 0.079 |
| Tritanopia (no blue cones) | #5E141E | 0.030 |
| Achromatopsia (no color) | #303030 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551F18
#551F18
oklch(31.9% 0.082 29.7)
- #003A42
#003A42
oklch(31.9% 0.055 209.8)
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 #551F18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.054
- Reddy Brown #6E1005 ΔE 0.055
- Burgundy #610023 ΔE 0.057
- Chocolate Brown #411900 ΔE 0.057
- Mahogany #4A0100 ΔE 0.065
- Blood #770001 ΔE 0.075
- Chestnut #742802 ΔE 0.077
- Dark Brown #341C02 ΔE 0.082
Use #551F18 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.