#511723
Closest named color: Burgundy (#610023). oklch(30.3% 0.087 11.6), rgb(81, 23, 35).
Aa
White text reads best on this color (14.03:1).
About this color
#511723 is a dark, moderately saturated red. In OKLCH its lightness is 30%, its chroma 0.087 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.041 away. White text reads best on it, at 14.03:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.49:1 |
| White text | 14.03:1 |
Values
| HEX | #511723 |
| RGB | rgb(81, 23, 35) |
| HSL | hsl(348, 56%, 20%) |
| OKLCH | oklch(30.3% 0.087 11.6) |
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 #511723 | 14.03:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #511723 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #511723 text on white | 14.03:1 | AAA | Lc 100.1 | Preferred for body text |
| #511723 text on black | 1.49:1 | 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
#FFF2F3
oklch(97.2% 0.014 12)
-
Step 100
100
#FDE2E5
oklch(93.6% 0.03 10)
-
Step 200
200
#FCCACF
oklch(88.4% 0.057 11.6)
-
Step 300
300
#FBA5AF
oklch(80.9% 0.102 12)
-
Step 400
400
#F46F86
oklch(70.7% 0.164 11.5)
-
Step 500
500
#EB3D68
oklch(63% 0.21 11.5)
-
Step 600
600
#D50051
oklch(55.7% 0.223 11.5)
-
Step 700
700
#B40043
oklch(49.1% 0.196 11.6)
-
Step 800
800
#950036
oklch(42.7% 0.171 11.6)
-
Step 900
900
#79112E
oklch(37.7% 0.137 11.9)
-
Step 950
950 (this color)
#511723
oklch(30.3% 0.087 11.6)
#511723 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) | #252423 | 0.095 |
| Deuteranopia (no green cones) | #343022 | 0.087 |
| Tritanopia (no blue cones) | #590D1C | 0.022 |
| Achromatopsia (no color) | #2C2C2C | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511723
#511723
oklch(30.3% 0.087 11.6)
- #003735
#003735
oklch(30.4% 0.052 190.8)
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 #511723, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.041
- Claret #680018 ΔE 0.053
- Mahogany #4A0100 ΔE 0.057
- Chocolate Brown #411900 ΔE 0.063
- Reddy Brown #6E1005 ΔE 0.071
- Deep Brown #410200 ΔE 0.072
- Dark Plum #3F012C ΔE 0.073
- Aubergine #3D0734 ΔE 0.076
Use #511723 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.