#EC6037
Closest named color: Burnt Sienna (#E76F51). oklch(66.2% 0.182 36.8), rgb(236, 96, 55).
Aa
Black text reads best on this color (6.29:1).
About this color
#EC6037 is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.182 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.031 away. Black text reads best on it, at 6.29:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.182) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.29:1 |
| White text | 3.33:1 |
Values
| HEX | #EC6037 |
| RGB | rgb(236, 96, 55) |
| HSL | hsl(14, 83%, 57%) |
| OKLCH | oklch(66.2% 0.182 36.8) |
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 #EC6037 | 3.33:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #EC6037 | 6.29:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #EC6037 text on white | 3.33:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #EC6037 text on black | 6.29:1 | AA | Lc -41.8 | 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
#F8CEC3
oklch(88.5% 0.05 35.1)
-
Step 300
300
#F4AD98
oklch(81% 0.089 37.2)
-
Step 400
400
#EB7D5E
oklch(70.7% 0.143 36.6)
-
Step 500
500 (this color)
#EC6037
oklch(66.2% 0.182 36.8)
-
Step 600
600
#C83A00
oklch(55.6% 0.186 36.9)
-
Step 700
700
#AA2F00
oklch(49.1% 0.166 36.6)
-
Step 800
800
#8C2600
oklch(42.7% 0.143 37)
-
Step 900
900
#732208
oklch(37.7% 0.119 36.6)
-
Step 950
950
#441608
oklch(27.1% 0.075 37.2)
#EC6037 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) | #877932 | 0.183 |
| Deuteranopia (no green cones) | #AA9832 | 0.166 |
| Tritanopia (no blue cones) | #FF3E58 | 0.076 |
| Achromatopsia (no color) | #8D8D8D | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC6037
#EC6037
oklch(66.2% 0.182 36.8)
- #00A4C1
#00A4C1
oklch(66.2% 0.118 216.3)
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 #EC6037, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.031
- Orange Pant #FB5607 ΔE 0.033
- Bright Orange #FF5B00 ΔE 0.039
- Tomato #FF6347 ΔE 0.040
- Blood Orange #FE4B03 ΔE 0.042
- Orangey Red #FA4224 ΔE 0.047
- Orange Red #FF4500 ΔE 0.047
- Grapefruit #FD5956 ΔE 0.048
Use #EC6037 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.