#EC623C
Closest named color: Burnt Sienna (#E76F51). oklch(66.5% 0.179 36.2), rgb(236, 98, 60).
Aa
Black text reads best on this color (6.37:1).
About this color
#EC623C is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.179 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.027 away. Black text reads best on it, at 6.37:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.37:1 |
| White text | 3.29:1 |
Values
| HEX | #EC623C |
| RGB | rgb(236, 98, 60) |
| HSL | hsl(13, 82%, 58%) |
| OKLCH | oklch(66.5% 0.179 36.2) |
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 #EC623C | 3.29:1 | AA large text | Lc -64.9 | Content text, not long reading |
| Black text on #EC623C | 6.37:1 | AA | Lc 44.6 | Non-text elements, placeholder text |
| #EC623C text on white | 3.29:1 | AA large text | Lc 59.5 | Large or bold text, headings |
| #EC623C text on black | 6.37:1 | AA | Lc -42.3 | 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 500.
-
Step 50
50
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE4DE
oklch(93.5% 0.026 35.7)
-
Step 200
200
#F7CFC3
oklch(88.5% 0.048 37.3)
-
Step 300
300
#F3AD99
oklch(80.9% 0.088 36.6)
-
Step 400
400
#EA7E60
oklch(70.8% 0.14 36.4)
-
Step 500
500 (this color)
#EC623C
oklch(66.5% 0.179 36.2)
-
Step 600
600
#CA3800
oklch(55.7% 0.19 36.2)
-
Step 700
700
#AB2E00
oklch(49.2% 0.168 36.2)
-
Step 800
800
#8D2400
oklch(42.7% 0.146 36.1)
-
Step 900
900
#72230B
oklch(37.6% 0.116 36.4)
-
Step 950
950
#431609
oklch(26.9% 0.073 36.7)
#EC623C 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) | #887B37 | 0.180 |
| Deuteranopia (no green cones) | #AA9938 | 0.164 |
| Tritanopia (no blue cones) | #FF425A | 0.074 |
| Achromatopsia (no color) | #8E8E8E | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC623C
#EC623C
oklch(66.5% 0.179 36.2)
- #00A5C2
#00A5C2
oklch(66.5% 0.118 216.2)
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 #EC623C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.027
- Orange Pant #FB5607 ΔE 0.035
- Tomato #FF6347 ΔE 0.037
- Bright Orange #FF5B00 ΔE 0.041
- Blood Orange #FE4B03 ΔE 0.045
- Grapefruit #FD5956 ΔE 0.046
- Orange Pink #FF6F52 ΔE 0.049
- Orangey Red #FA4224 ΔE 0.049
Use #EC623C 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.