#D5331B
Closest named color: Tomato Red (#EC2D01). oklch(57.3% 0.202 31.5), rgb(213, 51, 27).
Aa
White text reads best on this color (4.86:1).
About this color
#D5331B is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.202 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.044 away. White text reads best on it, at 4.86:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.202) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.31:1 |
| White text | 4.86:1 |
Values
| HEX | #D5331B |
| RGB | rgb(213, 51, 27) |
| HSL | hsl(8, 78%, 47%) |
| OKLCH | oklch(57.3% 0.202 31.5) |
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 #D5331B | 4.86:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #D5331B | 4.31:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #D5331B text on white | 4.86:1 | AA | Lc 72.1 | Content text, not long reading |
| #D5331B text on black | 4.31:1 | AA large text | Lc -29.5 | 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
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CEC5
oklch(88.6% 0.05 31.8)
-
Step 300
300
#F5AB9C
oklch(80.8% 0.09 31.8)
-
Step 400
400
#ED7B66
oklch(70.8% 0.145 31.8)
-
Step 500
500
#E3523B
oklch(63.1% 0.185 31.6)
-
Step 600
600 (this color)
#D5331B
oklch(57.3% 0.202 31.5)
-
Step 700
700
#B31B02
oklch(49.2% 0.188 31.5)
-
Step 800
800
#911B09
oklch(42.7% 0.156 31.5)
-
Step 900
900
#741F13
oklch(37.6% 0.121 31.1)
-
Step 950
950
#45140C
oklch(27% 0.077 31.7)
#D5331B 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) | #665A15 | 0.215 |
| Deuteranopia (no green cones) | #8E7E0D | 0.194 |
| Tritanopia (no blue cones) | #EB0030 | 0.053 |
| Achromatopsia (no color) | #717171 | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D5331B
#D5331B
oklch(57.3% 0.202 31.5)
- #00879A
#00879A
oklch(57.2% 0.1 211.9)
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 #D5331B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.044
- Crimson #DC143C ΔE 0.047
- Faded Red #D3494E ΔE 0.048
- Deep Orange #DC4D01 ΔE 0.049
- Brick Orange #C14A09 ΔE 0.050
- Imperial Red #E63946 ΔE 0.052
- Sinopia #BB3E03 ΔE 0.053
- Cherry #CF0234 ΔE 0.054
Use #D5331B 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.