#DA2903
Closest named color: Tomato Red (#EC2D01). oklch(57.4% 0.214 32.2), rgb(218, 41, 3).
Aa
White text reads best on this color (4.88:1).
About this color
#DA2903 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.214 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.038 away. White text reads best on it, at 4.88:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.214) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.29:1 |
| White text | 4.88:1 |
Values
| HEX | #DA2903 |
| RGB | rgb(218, 41, 3) |
| HSL | hsl(11, 97%, 43%) |
| OKLCH | oklch(57.4% 0.214 32.2) |
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 #DA2903 | 4.88:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #DA2903 | 4.29:1 | AA large text | Lc 32.2 | Non-text elements, placeholder text |
| #DA2903 text on white | 4.88:1 | AA | Lc 71.9 | Content text, not long reading |
| #DA2903 text on black | 4.29:1 | AA large text | Lc -29.8 | 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
#F8AA99
oklch(80.9% 0.096 32.8)
-
Step 400
400
#F17760
oklch(70.6% 0.155 32.2)
-
Step 500
500
#E84C31
oklch(63.1% 0.197 32.2)
-
Step 600
600 (this color)
#DA2903
oklch(57.4% 0.214 32.2)
-
Step 700
700
#B21E00
oklch(49.2% 0.185 32.2)
-
Step 800
800
#931700
oklch(42.7% 0.161 32.2)
-
Step 900
900
#771B0B
oklch(37.7% 0.129 32.2)
-
Step 950
950
#461209
oklch(26.9% 0.082 32.2)
#DA2903 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) | #655800 | 0.229 |
| Deuteranopia (no green cones) | #8F7F00 | 0.205 |
| Tritanopia (no blue cones) | #F10025 | 0.050 |
| Achromatopsia (no color) | #717171 | 0.216 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DA2903
#DA2903
oklch(57.4% 0.214 32.2)
- #00879B
#00879B
oklch(57.3% 0.1 212.8)
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 #DA2903, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.038
- Crimson #DC143C ΔE 0.047
- Deep Orange #DC4D01 ΔE 0.052
- Imperial Red #E63946 ΔE 0.054
- Cherry #CF0234 ΔE 0.055
- Vermillion #F4320C ΔE 0.056
- Red Pantone #EF233C ΔE 0.056
- Faded Red #D3494E ΔE 0.058
Use #DA2903 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.