#D72403
Closest named color: Crimson (#DC143C). oklch(56.5% 0.215 31.6), rgb(215, 36, 3).
Aa
White text reads best on this color (5.06:1).
About this color
#D72403 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.215 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.045 away. White text reads best on it, at 5.06:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.215) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.14:1 |
| White text | 5.06:1 |
Values
| HEX | #D72403 |
| RGB | rgb(215, 36, 3) |
| HSL | hsl(9, 97%, 43%) |
| OKLCH | oklch(56.5% 0.215 31.6) |
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 #D72403 | 5.06:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #D72403 | 4.14:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #D72403 text on white | 5.06:1 | AA | Lc 73.0 | Content text, not long reading |
| #D72403 text on black | 4.14:1 | AA large text | Lc -28.7 | Dividers and decoration only |
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 600.
-
Step 50
50
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DE
oklch(93.7% 0.028 34.3)
-
Step 200
200
#FBCDC3
oklch(88.5% 0.054 32.4)
-
Step 300
300
#F9AA9A
oklch(81% 0.097 31.9)
-
Step 400
400
#F17761
oklch(70.6% 0.155 31.7)
-
Step 500
500
#E84B33
oklch(63% 0.197 31.5)
-
Step 600
600 (this color)
#D72403
oklch(56.5% 0.215 31.6)
-
Step 700
700
#B31A00
oklch(49.1% 0.188 31.6)
-
Step 800
800
#941400
oklch(42.7% 0.164 31.6)
-
Step 900
900
#771B0D
oklch(37.7% 0.129 31.6)
-
Step 950
950
#46120A
oklch(26.9% 0.081 31.5)
#D72403 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) | #625500 | 0.230 |
| Deuteranopia (no green cones) | #8D7C00 | 0.204 |
| Tritanopia (no blue cones) | #EE0022 | 0.049 |
| Achromatopsia (no color) | #6E6E6E | 0.216 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D72403
#D72403
oklch(56.5% 0.215 31.6)
- #008597
#008597
oklch(56.6% 0.098 211.3)
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 #D72403, closest first.
No curated palette has a color within ΔE 0.04 of #D72403.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.045
- Tomato Red #EC2D01 ΔE 0.046
- Cherry #CF0234 ΔE 0.049
- Sinopia #BB3E03 ΔE 0.058
- Imperial Red #E63946 ΔE 0.059
- Deep Orange #DC4D01 ΔE 0.059
- Brick Orange #C14A09 ΔE 0.060
- Red Pantone #EF233C ΔE 0.061
Use #D72403 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.