#D5271A
Closest named color: Crimson (#DC143C). oklch(56.4% 0.21 29.6), rgb(213, 39, 26).
Aa
White text reads best on this color (5.07:1).
About this color
#D5271A is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.210 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.039 away. White text reads best on it, at 5.07:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.210) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.13:1 |
| White text | 5.07:1 |
Values
| HEX | #D5271A |
| RGB | rgb(213, 39, 26) |
| HSL | hsl(4, 78%, 47%) |
| OKLCH | oklch(56.4% 0.21 29.6) |
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 #D5271A | 5.07:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #D5271A | 4.13:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #D5271A text on white | 5.07:1 | AA | Lc 73.2 | Content text, not long reading |
| #D5271A text on black | 4.13:1 | AA large text | Lc -28.5 | 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
#FCE4DF
oklch(93.7% 0.027 31.7)
-
Step 200
200
#FACDC5
oklch(88.5% 0.052 29.9)
-
Step 300
300
#F8AA9D
oklch(81% 0.095 29.7)
-
Step 400
400
#F07867
oklch(70.8% 0.151 29.6)
-
Step 500
500
#E74D3C
oklch(63.2% 0.193 29.7)
-
Step 600
600 (this color)
#D5271A
oklch(56.4% 0.21 29.6)
-
Step 700
700
#B50F06
oklch(49% 0.195 29.6)
-
Step 800
800
#93150C
oklch(42.7% 0.161 29.6)
-
Step 900
900
#761C14
oklch(37.6% 0.126 29.4)
-
Step 950
950
#46130D
oklch(27.1% 0.08 29.8)
#D5271A 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) | #615615 | 0.227 |
| Deuteranopia (no green cones) | #8B7C0A | 0.205 |
| Tritanopia (no blue cones) | #EB0027 | 0.045 |
| Achromatopsia (no color) | #6E6E6E | 0.211 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D5271A
#D5271A
oklch(56.4% 0.21 29.6)
- #008595
#008595
oklch(56.5% 0.098 209.5)
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 #D5271A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.039
- Cherry #CF0234 ΔE 0.042
- Tomato Red #EC2D01 ΔE 0.049
- Imperial Red #E63946 ΔE 0.055
- Faded Red #D3494E ΔE 0.055
- Dull Red #BB3F3F ΔE 0.056
- Sinopia #BB3E03 ΔE 0.057
- Lipstick #D5174E ΔE 0.059
Use #D5271A 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.