#EC5A42
Closest named color: Burnt Sienna (#E76F51). oklch(65.5% 0.185 31.7), rgb(236, 90, 66).
Aa
Black text reads best on this color (6.10:1).
About this color
#EC5A42 is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.185 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.039 away. Black text reads best on it, at 6.10:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.185) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.10:1 |
| White text | 3.43:1 |
Values
| HEX | #EC5A42 |
| RGB | rgb(236, 90, 66) |
| HSL | hsl(8, 82%, 59%) |
| OKLCH | oklch(65.5% 0.185 31.7) |
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 #EC5A42 | 3.43:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #EC5A42 | 6.10:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #EC5A42 text on white | 3.43:1 | AA large text | Lc 61.0 | Content text, not long reading |
| #EC5A42 text on black | 6.10:1 | AA | Lc -40.7 | 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
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CEC5
oklch(88.6% 0.05 31.8)
-
Step 300
300
#F5AB9C
oklch(80.8% 0.09 31.8)
-
Step 400
400
#ED7B66
oklch(70.8% 0.145 31.8)
-
Step 500
500 (this color)
#EC5A42
oklch(65.5% 0.185 31.7)
-
Step 600
600
#CF2C12
oklch(55.6% 0.202 31.7)
-
Step 700
700
#B21B01
oklch(49% 0.187 31.6)
-
Step 800
800
#911C09
oklch(42.8% 0.155 31.7)
-
Step 900
900
#742012
oklch(37.7% 0.12 32)
-
Step 950
950
#45140C
oklch(27% 0.077 31.7)
#EC5A42 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) | #82763F | 0.192 |
| Deuteranopia (no green cones) | #A6963D | 0.176 |
| Tritanopia (no blue cones) | #FF3655 | 0.066 |
| Achromatopsia (no color) | #8A8A8A | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC5A42
#EC5A42
oklch(65.5% 0.185 31.7)
- #00A3B9
#00A3B9
oklch(65.6% 0.114 211.5)
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 #EC5A42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.039
- Grapefruit #FD5956 ΔE 0.039
- Orangey Red #FA4224 ΔE 0.039
- Pastel Red #DB5856 ΔE 0.040
- Orange Pant #FB5607 ΔE 0.040
- Tomato #FF6347 ΔE 0.042
- Pale Red #D9544D ΔE 0.043
- Blood Orange #FE4B03 ΔE 0.043
Use #EC5A42 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.