#D42C01
Closest named color: Tomato Red (#EC2D01). oklch(56.5% 0.207 33.1), rgb(212, 44, 1).
Aa
White text reads best on this color (5.04:1).
About this color
#D42C01 is a medium-dark, vivid red. In OKLCH its lightness is 56%, 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 0.049 away. White text reads best on it, at 5.04:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.207) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.16:1 |
| White text | 5.04:1 |
Values
| HEX | #D42C01 |
| RGB | rgb(212, 44, 1) |
| HSL | hsl(12, 99%, 42%) |
| OKLCH | oklch(56.5% 0.207 33.1) |
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 #D42C01 | 5.04:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #D42C01 | 4.16:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #D42C01 text on white | 5.04:1 | AA | Lc 73.1 | Content text, not long reading |
| #D42C01 text on black | 4.16:1 | AA large text | Lc -28.6 | 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
#F9CDC3
oklch(88.4% 0.052 33)
-
Step 300
300
#F7AB9A
oklch(81% 0.093 33.1)
-
Step 400
400
#EF7A61
oklch(70.8% 0.15 33.3)
-
Step 500
500
#E55032
oklch(63.1% 0.19 33.3)
-
Step 600
600 (this color)
#D42C01
oklch(56.5% 0.207 33.1)
-
Step 700
700
#B02200
oklch(49.1% 0.181 33)
-
Step 800
800
#911B00
oklch(42.6% 0.157 33.2)
-
Step 900
900
#761E0D
oklch(37.8% 0.125 32.9)
-
Step 950
950
#45140A
oklch(27% 0.078 33.4)
#D42C01 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) | #8C7C00 | 0.196 |
| Tritanopia (no blue cones) | #EA0027 | 0.052 |
| Achromatopsia (no color) | #6F6F6F | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D42C01
#D42C01
oklch(56.5% 0.207 33.1)
- #008498
#008498
oklch(56.4% 0.099 213.1)
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 #D42C01, closest first.
No curated palette has a color within ΔE 0.04 of #D42C01.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.049
- Sinopia #BB3E03 ΔE 0.050
- Brick Orange #C14A09 ΔE 0.051
- Crimson #DC143C ΔE 0.051
- Cherry #CF0234 ΔE 0.053
- Deep Orange #DC4D01 ΔE 0.054
- Burnt Orange #C04E01 ΔE 0.059
- Dull Red #BB3F3F ΔE 0.059
Use #D42C01 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.