#551F21
Closest named color: Burgundy (#610023). oklch(32.1% 0.081 20.6), rgb(85, 31, 33).
Aa
White text reads best on this color (13.09:1).
About this color
#551F21 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.081 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.050 away. White text reads best on it, at 13.09:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.081) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.60:1 |
| White text | 13.09:1 |
Values
| HEX | #551F21 |
| RGB | rgb(85, 31, 33) |
| HSL | hsl(358, 47%, 23%) |
| OKLCH | oklch(32.1% 0.081 20.6) |
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 #551F21 | 13.09:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #551F21 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #551F21 text on white | 13.09:1 | AAA | Lc 98.9 | Preferred for body text |
| #551F21 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E2
oklch(93.6% 0.028 20.4)
-
Step 200
200
#FBCCCA
oklch(88.5% 0.054 21.1)
-
Step 300
300
#F8A8A6
oklch(80.9% 0.095 20.9)
-
Step 400
400
#F17577
oklch(70.8% 0.153 20.8)
-
Step 500
500
#E74854
oklch(63% 0.195 20.7)
-
Step 600
600
#D31A39
oklch(55.6% 0.212 20.7)
-
Step 700
700
#B6012C
oklch(49.1% 0.197 20.5)
-
Step 800
800
#940E25
oklch(42.7% 0.163 20.7)
-
Step 900
900
#771923
oklch(37.8% 0.128 20.4)
-
Step 950
950 (this color)
#551F21
oklch(32.1% 0.081 20.6)
#551F21 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) | #2C2A21 | 0.087 |
| Deuteranopia (no green cones) | #3A3520 | 0.080 |
| Tritanopia (no blue cones) | #5D1620 | 0.022 |
| Achromatopsia (no color) | #313131 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551F21
#551F21
oklch(32.1% 0.081 20.6)
- #003B3E
#003B3E
oklch(32% 0.054 200.4)
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 #551F21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.050
- Claret #680018 ΔE 0.051
- Reddy Brown #6E1005 ΔE 0.058
- Chocolate Brown #411900 ΔE 0.065
- Mahogany #4A0100 ΔE 0.069
- Blood #770001 ΔE 0.077
- Chestnut #742802 ΔE 0.082
- Wine Red #7B0323 ΔE 0.083
Use #551F21 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.