#551B13
Closest named color: Claret (#680018). oklch(31.2% 0.088 30.5), rgb(85, 27, 19).
Aa
White text reads best on this color (13.52:1).
About this color
#551B13 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.088 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.051 away. White text reads best on it, at 13.52:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.55:1 |
| White text | 13.52:1 |
Values
| HEX | #551B13 |
| RGB | rgb(85, 27, 19) |
| HSL | hsl(7, 63%, 20%) |
| OKLCH | oklch(31.2% 0.088 30.5) |
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 #551B13 | 13.52:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #551B13 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #551B13 text on white | 13.52:1 | AAA | Lc 99.4 | Preferred for body text |
| #551B13 text on black | 1.55:1 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DE
oklch(93.6% 0.031 30.2)
-
Step 200
200
#FDCCC2
oklch(88.5% 0.058 31.6)
-
Step 300
300
#FDA798
oklch(80.9% 0.105 30.3)
-
Step 400
400
#F7725E
oklch(70.7% 0.167 30.4)
-
Step 500
500
#EF412C
oklch(63.1% 0.214 30.6)
-
Step 600
600
#D61700
oklch(55.6% 0.22 30.5)
-
Step 700
700
#B51200
oklch(49.1% 0.194 30.6)
-
Step 800
800
#960D00
oklch(42.8% 0.169 30.6)
-
Step 900
900
#7B1308
oklch(37.7% 0.139 30.4)
-
Step 950
950 (this color)
#551B13
oklch(31.2% 0.088 30.5)
#551B13 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) | #2B2612 | 0.091 |
| Deuteranopia (no green cones) | #393311 | 0.085 |
| Tritanopia (no blue cones) | #5E0D19 | 0.031 |
| Achromatopsia (no color) | #2E2E2E | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551B13
#551B13
oklch(31.2% 0.088 30.5)
- #003840
#003840
oklch(31.2% 0.054 210.2)
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 #551B13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.051
- Chocolate Brown #411900 ΔE 0.053
- Burgundy #610023 ΔE 0.054
- Reddy Brown #6E1005 ΔE 0.054
- Mahogany #4A0100 ΔE 0.057
- Blood #770001 ΔE 0.074
- Deep Brown #410200 ΔE 0.075
- Dark Brown #341C02 ΔE 0.079
Use #551B13 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.