#D43E24
Closest named color: Deep Orange (#DC4D01). oklch(58.2% 0.191 32.3), rgb(212, 62, 36).
Aa
White text reads best on this color (4.65:1).
About this color
#D43E24 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.191 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.038 away. White text reads best on it, at 4.65:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.191) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 4.51:1 |
| White text | 4.65:1 |
Values
| HEX | #D43E24 |
| RGB | rgb(212, 62, 36) |
| HSL | hsl(9, 71%, 49%) |
| OKLCH | oklch(58.2% 0.191 32.3) |
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 #D43E24 | 4.65:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #D43E24 | 4.51:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #D43E24 text on white | 4.65:1 | AA | Lc 71.0 | Content text, not long reading |
| #D43E24 text on black | 4.51:1 | AA | Lc -30.7 | Non-text elements, placeholder text |
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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F7CEC6
oklch(88.4% 0.048 30.9)
-
Step 300
300
#F3AD9E
oklch(81% 0.086 32.5)
-
Step 400
400
#E97D68
oklch(70.6% 0.138 32.2)
-
Step 500
500
#DF573E
oklch(63.1% 0.175 32.5)
-
Step 600
600 (this color)
#D43E24
oklch(58.2% 0.191 32.3)
-
Step 700
700
#AF240A
oklch(49.1% 0.178 32.2)
-
Step 800
800
#8E210E
oklch(42.7% 0.148 32.2)
-
Step 900
900
#722315
oklch(37.7% 0.114 32.4)
-
Step 950
950
#43160E
oklch(27% 0.072 32.1)
#D43E24 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) | #6B5F1F | 0.201 |
| Deuteranopia (no green cones) | #90801C | 0.181 |
| Tritanopia (no blue cones) | #EA003A | 0.064 |
| Achromatopsia (no color) | #747474 | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D43E24
#D43E24
oklch(58.2% 0.191 32.3)
- #008A9E
#008A9E
oklch(58.2% 0.102 212.4)
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 #D43E24, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.038
- Faded Red #D3494E ΔE 0.040
- Dark Coral #CF524E ΔE 0.044
- Brick Orange #C14A09 ΔE 0.044
- Tomato Red #EC2D01 ΔE 0.046
- Pale Red #D9544D ΔE 0.048
- Imperial Red #E63946 ΔE 0.049
- Burnt Orange #C04E01 ΔE 0.050
Use #D43E24 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.