#D42D00
Closest named color: Tomato Red (#EC2D01). oklch(56.5% 0.207 33.3), rgb(212, 45, 0).
Aa
White text reads best on this color (5.03:1).
About this color
#D42D00 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.207 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.048 away. White text reads best on it, at 5.03:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.207) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.17:1 |
| White text | 5.03:1 |
Values
| HEX | #D42D00 |
| RGB | rgb(212, 45, 0) |
| HSL | hsl(13, 100%, 42%) |
| OKLCH | oklch(56.5% 0.207 33.3) |
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 #D42D00 | 5.03:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #D42D00 | 4.17:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #D42D00 text on white | 5.03:1 | AA | Lc 73.0 | Content text, not long reading |
| #D42D00 text on black | 4.17:1 | 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
#FBE4DE
oklch(93.6% 0.027 35)
-
Step 200
200
#F9CEC3
oklch(88.5% 0.051 34.7)
-
Step 300
300
#F6AB9A
oklch(80.9% 0.092 33.3)
-
Step 400
400
#EE7A61
oklch(70.7% 0.148 33.4)
-
Step 500
500
#E55032
oklch(63.1% 0.19 33.3)
-
Step 600
600 (this color)
#D42D00
oklch(56.5% 0.207 33.3)
-
Step 700
700
#AF2300
oklch(49% 0.18 33.3)
-
Step 800
800
#911C00
oklch(42.7% 0.156 33.4)
-
Step 900
900
#751E0C
oklch(37.6% 0.124 33.3)
-
Step 950
950
#45140A
oklch(27% 0.078 33.4)
#D42D00 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) | #645700 | 0.219 |
| Deuteranopia (no green cones) | #8D7C00 | 0.194 |
| Tritanopia (no blue cones) | #EA0028 | 0.053 |
| Achromatopsia (no color) | #6F6F6F | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D42D00
#D42D00
oklch(56.5% 0.207 33.3)
- #008599
#008599
oklch(56.7% 0.099 213)
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 #D42D00, closest first.
No curated palette has a color within ΔE 0.04 of #D42D00.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.048
- Sinopia #BB3E03 ΔE 0.050
- Brick Orange #C14A09 ΔE 0.050
- Crimson #DC143C ΔE 0.052
- Deep Orange #DC4D01 ΔE 0.053
- Cherry #CF0234 ΔE 0.054
- Burnt Orange #C04E01 ΔE 0.058
- Dull Red #BB3F3F ΔE 0.059
Use #D42D00 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.