#EC604D
Closest named color: Burnt Sienna (#E76F51). oklch(66.4% 0.177 30.2), rgb(236, 96, 77).
Aa
Black text reads best on this color (6.34:1).
About this color
#EC604D is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.177 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.029 away. Black text reads best on it, at 6.34:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.177) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.34:1 |
| White text | 3.30:1 |
Values
| HEX | #EC604D |
| RGB | rgb(236, 96, 77) |
| HSL | hsl(7, 81%, 61%) |
| OKLCH | oklch(66.4% 0.177 30.2) |
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 #EC604D | 3.30:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #EC604D | 6.34:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #EC604D text on white | 3.30:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #EC604D text on black | 6.34:1 | AA | Lc -42.1 | 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
#F7CEC6
oklch(88.4% 0.048 30.9)
-
Step 300
300
#F3AC9F
oklch(80.9% 0.086 30.6)
-
Step 400
400
#EA7C6B
oklch(70.6% 0.139 30.1)
-
Step 500
500 (this color)
#EC604D
oklch(66.4% 0.177 30.2)
-
Step 600
600
#CC3222
oklch(55.7% 0.193 30.1)
-
Step 700
700
#B02214
oklch(49.2% 0.179 30.2)
-
Step 800
800
#8F2014
oklch(42.8% 0.149 30.3)
-
Step 900
900
#732218
oklch(37.8% 0.116 30.3)
-
Step 950
950
#43150F
oklch(26.9% 0.073 30)
#EC604D 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) | #857A4A | 0.184 |
| Deuteranopia (no green cones) | #A89949 | 0.170 |
| Tritanopia (no blue cones) | #FF425C | 0.061 |
| Achromatopsia (no color) | #8D8D8D | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC604D
#EC604D
oklch(66.4% 0.177 30.2)
- #00A6BA
#00A6BA
oklch(66.4% 0.115 209.8)
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 #EC604D, closest first.
No curated palette has a color within ΔE 0.04 of #EC604D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.029
- Grapefruit #FD5956 ΔE 0.035
- Tomato #FF6347 ΔE 0.037
- Pastel Red #DB5856 ΔE 0.041
- Coral Pink #FF6163 ΔE 0.044
- Pale Red #D9544D ΔE 0.047
- Orange Pant #FB5607 ΔE 0.047
- Light Red #FF474C ΔE 0.048
Use #EC604D 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.