#501503
Closest named color: Chocolate Brown (#411900). oklch(29.2% 0.092 37.1), rgb(80, 21, 3).
Aa
White text reads best on this color (14.48:1).
About this color
#501503 is a dark, moderately saturated red. In OKLCH its lightness is 29%, its chroma 0.092 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.035 away. White text reads best on it, at 14.48:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.44:1 |
| White text | 14.48:1 |
Values
| HEX | #501503 |
| RGB | rgb(80, 21, 3) |
| HSL | hsl(14, 93%, 16%) |
| OKLCH | oklch(29.2% 0.092 37.1) |
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 #501503 | 14.48:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #501503 | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #501503 text on white | 14.48:1 | AAA | Lc 100.6 | Preferred for body text |
| #501503 text on black | 1.44:1 | 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FEE3DB
oklch(93.6% 0.032 37.1)
-
Step 200
200
#FECCBD
oklch(88.5% 0.061 37.3)
-
Step 300
300
#FEA78E
oklch(80.8% 0.109 36.8)
-
Step 400
400
#F9724A
oklch(70.7% 0.175 37.2)
-
Step 500
500
#EC4700
oklch(63% 0.21 37.1)
-
Step 600
600
#C83B00
oklch(55.7% 0.186 37.1)
-
Step 700
700
#A93000
oklch(49.1% 0.164 37)
-
Step 800
800
#8C2600
oklch(42.7% 0.143 37)
-
Step 900
900
#761F00
oklch(37.8% 0.126 37.1)
-
Step 950
950 (this color)
#501503
oklch(29.2% 0.092 37.1)
#501503 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) | #272101 | 0.093 |
| Deuteranopia (no green cones) | #352E01 | 0.085 |
| Tritanopia (no blue cones) | #590312 | 0.038 |
| Achromatopsia (no color) | #292929 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #501503
#501503
oklch(29.2% 0.092 37.1)
- #00323D
#00323D
oklch(29.3% 0.052 217.4)
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 #501503, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.035
- Mahogany #4A0100 ΔE 0.039
- Deep Brown #410200 ΔE 0.055
- Claret #680018 ΔE 0.063
- Dark Brown #341C02 ΔE 0.064
- Burgundy #610023 ΔE 0.065
- Reddy Brown #6E1005 ΔE 0.068
- Dark Maroon #3C0008 ΔE 0.072
Use #501503 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.