#EC6647
Closest named color: Burnt Sienna (#E76F51). oklch(67.2% 0.173 34.4), rgb(236, 102, 71).
Aa
Black text reads best on this color (6.55:1).
About this color
#EC6647 is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.173 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.018 away. Black text reads best on it, at 6.55:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.173) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.55:1 |
| White text | 3.20:1 |
Values
| HEX | #EC6647 |
| RGB | rgb(236, 102, 71) |
| HSL | hsl(11, 81%, 60%) |
| OKLCH | oklch(67.2% 0.173 34.4) |
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 #EC6647 | 3.20:1 | AA large text | Lc -63.9 | Content text, not long reading |
| Black text on #EC6647 | 6.55:1 | AA | Lc 45.6 | Large or bold text, headings |
| #EC6647 text on white | 3.20:1 | AA large text | Lc 58.5 | Large or bold text, headings |
| #EC6647 text on black | 6.55:1 | AA | Lc -43.3 | 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 400.
-
Step 50
50
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FEE3DC
oklch(93.6% 0.031 34.9)
-
Step 200
200
#FECCBF
oklch(88.5% 0.06 35)
-
Step 300
300
#FEA792
oklch(80.9% 0.108 34.2)
-
Step 400
400 (this color)
#EC6647
oklch(67.2% 0.173 34.4)
-
Step 500
500
#F13F0A
oklch(63.1% 0.22 34.5)
-
Step 600
600
#CD3100
oklch(55.6% 0.198 34.4)
-
Step 700
700
#AD2800
oklch(49% 0.174 34.5)
-
Step 800
800
#8F1F00
oklch(42.6% 0.152 34.4)
-
Step 900
900
#791900
oklch(37.8% 0.134 34.5)
-
Step 950
950
#490E02
oklch(26.9% 0.091 34.5)
#EC6647 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) | #8A7D43 | 0.174 |
| Deuteranopia (no green cones) | #AB9B43 | 0.161 |
| Tritanopia (no blue cones) | #FF495F | 0.069 |
| Achromatopsia (no color) | #909090 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC6647
#EC6647
oklch(67.2% 0.173 34.4)
- #00A8C2
#00A8C2
oklch(67.3% 0.118 213.9)
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 #EC6647, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.018
- Tomato #FF6347 ΔE 0.034
- Orange Pink #FF6F52 ΔE 0.043
- Orange Pant #FB5607 ΔE 0.043
- Grapefruit #FD5956 ΔE 0.043
- Pinkish Orange #FF724C ΔE 0.046
- Bright Orange #FF5B00 ΔE 0.046
- Coral Pink #FF6163 ΔE 0.050
Use #EC6647 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.