#D5241F
Closest named color: Crimson (#DC143C). oklch(56.3% 0.211 28.3), rgb(213, 36, 31).
Aa
White text reads best on this color (5.12:1).
About this color
#D5241F is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.211 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.034 away. White text reads best on it, at 5.12:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.211) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.10:1 |
| White text | 5.12:1 |
Values
| HEX | #D5241F |
| RGB | rgb(213, 36, 31) |
| HSL | hsl(2, 75%, 48%) |
| OKLCH | oklch(56.3% 0.211 28.3) |
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 #D5241F | 5.12:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #D5241F | 4.10:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #D5241F text on white | 5.12:1 | AA | Lc 73.4 | Content text, not long reading |
| #D5241F text on black | 4.10:1 | AA large text | Lc -28.3 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FACDC6
oklch(88.5% 0.052 28.5)
-
Step 300
300
#F8A99E
oklch(80.8% 0.095 28.1)
-
Step 400
400
#F07769
oklch(70.6% 0.152 28.3)
-
Step 500
500
#E74C3F
oklch(63.1% 0.194 28.6)
-
Step 600
600 (this color)
#D5241F
oklch(56.3% 0.211 28.3)
-
Step 700
700
#B60B0E
oklch(49.1% 0.196 28.3)
-
Step 800
800
#941310
oklch(42.8% 0.163 28.4)
-
Step 900
900
#771B16
oklch(37.8% 0.127 28.1)
-
Step 950
950
#46120E
oklch(27% 0.081 28.1)
#D5241F 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) | #60551B | 0.229 |
| Deuteranopia (no green cones) | #8B7B12 | 0.206 |
| Tritanopia (no blue cones) | #EB0026 | 0.043 |
| Achromatopsia (no color) | #6E6E6E | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D5241F
#D5241F
oklch(56.3% 0.211 28.3)
- #008493
#008493
oklch(56.1% 0.097 208.7)
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 #D5241F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.034
- Cherry #CF0234 ΔE 0.037
- Tomato Red #EC2D01 ΔE 0.052
- Lipstick #D5174E ΔE 0.054
- Imperial Red #E63946 ΔE 0.055
- Faded Red #D3494E ΔE 0.055
- Dull Red #BB3F3F ΔE 0.056
- Red Pantone #EF233C ΔE 0.058
Use #D5241F 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.