#551A18
Closest named color: Claret (#680018). oklch(31.2% 0.088 25.5), rgb(85, 26, 24).
Aa
White text reads best on this color (13.57:1).
About this color
#551A18 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.088 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.048 away. White text reads best on it, at 13.57:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.54:1 |
| White text | 13.57:1 |
Values
| HEX | #551A18 |
| RGB | rgb(85, 26, 24) |
| HSL | hsl(2, 56%, 21%) |
| OKLCH | oklch(31.2% 0.088 25.5) |
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 #551A18 | 13.57:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #551A18 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #551A18 text on white | 13.57:1 | AAA | Lc 99.5 | Preferred for body text |
| #551A18 text on black | 1.54:1 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FEE3E0
oklch(93.7% 0.03 25.3)
-
Step 200
200
#FECBC6
oklch(88.5% 0.059 24.8)
-
Step 300
300
#FDA69E
oklch(80.9% 0.104 25.4)
-
Step 400
400
#F77069
oklch(70.6% 0.167 25.2)
-
Step 500
500
#EF3E3F
oklch(63.1% 0.213 25.5)
-
Step 600
600
#D80020
oklch(55.6% 0.226 25.6)
-
Step 700
700
#B7001A
oklch(49.1% 0.199 25.4)
-
Step 800
800
#980013
oklch(42.8% 0.174 25.6)
-
Step 900
900
#7B1115
oklch(37.7% 0.139 25.7)
-
Step 950
950 (this color)
#551A18
oklch(31.2% 0.088 25.5)
#551A18 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) | #2A2617 | 0.093 |
| Deuteranopia (no green cones) | #383316 | 0.088 |
| Tritanopia (no blue cones) | #5E0C1A | 0.028 |
| Achromatopsia (no color) | #2E2E2E | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551A18
#551A18
oklch(31.2% 0.088 25.5)
- #00383E
#00383E
oklch(31.1% 0.053 206.5)
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 #551A18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.048
- Burgundy #610023 ΔE 0.048
- Reddy Brown #6E1005 ΔE 0.056
- Chocolate Brown #411900 ΔE 0.056
- Mahogany #4A0100 ΔE 0.057
- Deep Brown #410200 ΔE 0.074
- Blood #770001 ΔE 0.074
- Dark Brown #341C02 ΔE 0.082
Use #551A18 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.