#EC5037
Closest named color: Orangey Red (#FA4224). oklch(64.3% 0.196 31.7), rgb(236, 80, 55).
Aa
Black text reads best on this color (5.76:1).
About this color
#EC5037 is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.196 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Orangey Red (#FA4224), ΔE 0.029 away. Black text reads best on it, at 5.76:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.196) |
| Temperature | warm |
| Nearest name | Orangey Red (#FA4224) |
| Black text | 5.76:1 |
| White text | 3.64:1 |
Values
| HEX | #EC5037 |
| RGB | rgb(236, 80, 55) |
| HSL | hsl(8, 83%, 57%) |
| OKLCH | oklch(64.3% 0.196 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 #EC5037 | 3.64:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #EC5037 | 5.76:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #EC5037 text on white | 3.64:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #EC5037 text on black | 5.76:1 | AA | Lc -38.8 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DF
oklch(93.7% 0.027 31.7)
-
Step 200
200
#FACDC4
oklch(88.5% 0.053 31.3)
-
Step 300
300
#F8AA9A
oklch(80.9% 0.096 32)
-
Step 400
400
#F17862
oklch(70.8% 0.153 31.8)
-
Step 500
500 (this color)
#EC5037
oklch(64.3% 0.196 31.7)
-
Step 600
600
#D32200
oklch(55.6% 0.212 31.7)
-
Step 700
700
#B21B00
oklch(49% 0.187 31.7)
-
Step 800
800
#941400
oklch(42.7% 0.164 31.6)
-
Step 900
900
#771B0D
oklch(37.7% 0.129 31.6)
-
Step 950
950
#46120A
oklch(26.9% 0.081 31.5)
#EC5037 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) | #7D7033 | 0.204 |
| Deuteranopia (no green cones) | #A39331 | 0.188 |
| Tritanopia (no blue cones) | #FF204B | 0.068 |
| Achromatopsia (no color) | #868686 | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC5037
#EC5037
oklch(64.3% 0.196 31.7)
- #009EB4
#009EB4
oklch(64.2% 0.112 212)
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 #EC5037, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orangey Red #FA4224 ΔE 0.029
- Orangered #FE420F ΔE 0.037
- Red Orange #FD3C06 ΔE 0.038
- Vermillion #F4320C ΔE 0.039
- Blood Orange #FE4B03 ΔE 0.039
- Orange Red #FF4500 ΔE 0.040
- Pale Red #D9544D ΔE 0.040
- Orange Pant #FB5607 ΔE 0.042
Use #EC5037 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.