#EB644A
Closest named color: Burnt Sienna (#E76F51). oklch(66.8% 0.173 32.7), rgb(235, 100, 74).
Aa
Black text reads best on this color (6.45:1).
About this color
#EB644A is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.173 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.021 away. Black text reads best on it, at 6.45:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.173) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.45:1 |
| White text | 3.25:1 |
Values
| HEX | #EB644A |
| RGB | rgb(235, 100, 74) |
| HSL | hsl(10, 80%, 61%) |
| OKLCH | oklch(66.8% 0.173 32.7) |
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 #EB644A | 3.25:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #EB644A | 6.45:1 | AA | Lc 45.0 | Non-text elements, placeholder text |
| #EB644A text on white | 3.25:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #EB644A text on black | 6.45:1 | AA | Lc -42.6 | 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 500.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F7CFC6
oklch(88.6% 0.047 32.8)
-
Step 300
300
#F2AD9E
oklch(80.9% 0.084 32.6)
-
Step 400
400
#E87E69
oklch(70.6% 0.135 32.4)
-
Step 500
500 (this color)
#EB644A
oklch(66.8% 0.173 32.7)
-
Step 600
600
#C9371B
oklch(55.6% 0.187 32.8)
-
Step 700
700
#AE270B
oklch(49.2% 0.175 32.8)
-
Step 800
800
#8D230F
oklch(42.7% 0.145 32.7)
-
Step 900
900
#712415
oklch(37.7% 0.112 33)
-
Step 950
950
#43160E
oklch(27% 0.072 32.1)
#EB644A 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) | #887C47 | 0.176 |
| Deuteranopia (no green cones) | #A99A46 | 0.164 |
| Tritanopia (no blue cones) | #FF475E | 0.066 |
| Achromatopsia (no color) | #8F8F8F | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EB644A
#EB644A
oklch(66.8% 0.173 32.7)
- #00A7BF
#00A7BF
oklch(66.9% 0.117 212.6)
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 #EB644A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.021
- Tomato #FF6347 ΔE 0.036
- Grapefruit #FD5956 ΔE 0.040
- Orange Pant #FB5607 ΔE 0.045
- Orange Pink #FF6F52 ΔE 0.046
- Pastel Red #DB5856 ΔE 0.047
- Coral Pink #FF6163 ΔE 0.048
- Bright Orange #FF5B00 ΔE 0.050
Use #EB644A 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.