#D43E1A
Closest named color: Deep Orange (#DC4D01). oklch(58.1% 0.192 34.1), rgb(212, 62, 26).
Aa
White text reads best on this color (4.66:1).
About this color
#D43E1A is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.192 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.035 away. White text reads best on it, at 4.66:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.192) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 4.50:1 |
| White text | 4.66:1 |
Values
| HEX | #D43E1A |
| RGB | rgb(212, 62, 26) |
| HSL | hsl(12, 78%, 47%) |
| OKLCH | oklch(58.1% 0.192 34.1) |
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 #D43E1A | 4.66:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #D43E1A | 4.50:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #D43E1A text on white | 4.66:1 | AA | Lc 71.1 | Content text, not long reading |
| #D43E1A text on black | 4.50:1 | AA | Lc -30.6 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE4DF
oklch(93.5% 0.025 32.9)
-
Step 200
200
#F7CFC4
oklch(88.6% 0.048 35.9)
-
Step 300
300
#F3AD9C
oklch(81% 0.086 34.1)
-
Step 400
400
#E97E65
oklch(70.7% 0.138 34.2)
-
Step 500
500
#DF5738
oklch(63% 0.176 34.3)
-
Step 600
600 (this color)
#D43E1A
oklch(58.1% 0.192 34.1)
-
Step 700
700
#AE2700
oklch(49.1% 0.176 34.2)
-
Step 800
800
#8E2206
oklch(42.7% 0.148 34.2)
-
Step 900
900
#722311
oklch(37.7% 0.115 34.2)
-
Step 950
950
#43160C
oklch(27% 0.072 34.1)
#D43E1A 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) | #6C5F12 | 0.200 |
| Deuteranopia (no green cones) | #90800E | 0.181 |
| Tritanopia (no blue cones) | #EA0038 | 0.067 |
| Achromatopsia (no color) | #747474 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D43E1A
#D43E1A
oklch(58.1% 0.192 34.1)
- #008AA0
#008AA0
oklch(58.2% 0.102 214.1)
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 #D43E1A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.035
- Brick Orange #C14A09 ΔE 0.041
- Tomato Red #EC2D01 ΔE 0.045
- Faded Red #D3494E ΔE 0.046
- Burnt Orange #C04E01 ΔE 0.047
- Dark Coral #CF524E ΔE 0.048
- Rust Orange #C45508 ΔE 0.050
- Rusty Orange #CD5909 ΔE 0.051
Use #D43E1A 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.