#E32517
Closest named color: Tomato Red (#EC2D01). oklch(58.8% 0.223 29.7), rgb(227, 37, 23).
Aa
White text reads best on this color (4.62:1).
About this color
#E32517 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.223 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.023 away. White text reads best on it, at 4.62:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.223) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.54:1 |
| White text | 4.62:1 |
Values
| HEX | #E32517 |
| RGB | rgb(227, 37, 23) |
| HSL | hsl(4, 82%, 49%) |
| OKLCH | oklch(58.8% 0.223 29.7) |
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 #E32517 | 4.62:1 | AA | Lc -75.5 | Fine for body text |
| Black text on #E32517 | 4.54:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #E32517 text on white | 4.62:1 | AA | Lc 70.1 | Content text, not long reading |
| #E32517 text on black | 4.54:1 | AA | Lc -31.6 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FDE3DF
oklch(93.6% 0.029 28.1)
-
Step 200
200
#FCCCC4
oklch(88.5% 0.056 29.2)
-
Step 300
300
#FBA89A
oklch(80.9% 0.101 30)
-
Step 400
400
#F47463
oklch(70.7% 0.161 29.4)
-
Step 500
500
#EC4635
oklch(63.2% 0.205 29.7)
-
Step 600
600 (this color)
#E32517
oklch(58.8% 0.223 29.7)
-
Step 700
700
#B70700
oklch(49.1% 0.199 29.7)
-
Step 800
800
#970601
oklch(42.7% 0.172 29.6)
-
Step 900
900
#79170E
oklch(37.7% 0.134 29.9)
-
Step 950
950
#47100B
oklch(26.9% 0.085 29.1)
#E32517 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) | #675A10 | 0.241 |
| Deuteranopia (no green cones) | #948300 | 0.217 |
| Tritanopia (no blue cones) | #FB0026 | 0.048 |
| Achromatopsia (no color) | #757575 | 0.225 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E32517
#E32517
oklch(58.8% 0.223 29.7)
- #008D9E
#008D9E
oklch(58.9% 0.102 209.6)
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 #E32517, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.023
- Red Pantone #EF233C ΔE 0.038
- Imperial Red #E63946 ΔE 0.040
- Vermillion #F4320C ΔE 0.040
- Crimson #DC143C ΔE 0.041
- Cherry Red #F7022A ΔE 0.042
- Fire Engine Red #FE0002 ΔE 0.051
- Red #FF0000 ΔE 0.053
Use #E32517 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.