#EC5837
Closest named color: Orange Pant (#FB5607). oklch(65.2% 0.189 34.1), rgb(236, 88, 55).
Aa
Black text reads best on this color (6.01:1).
About this color
#EC5837 is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.189 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Pant (#FB5607), ΔE 0.035 away. Black text reads best on it, at 6.01:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.189) |
| Temperature | warm |
| Nearest name | Orange Pant (#FB5607) |
| Black text | 6.01:1 |
| White text | 3.48:1 |
Values
| HEX | #EC5837 |
| RGB | rgb(236, 88, 55) |
| HSL | hsl(11, 83%, 57%) |
| OKLCH | oklch(65.2% 0.189 34.1) |
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 #EC5837 | 3.48:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #EC5837 | 6.01:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #EC5837 text on white | 3.48:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #EC5837 text on black | 6.01:1 | AA | Lc -40.2 | 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
#FBE4DE
oklch(93.6% 0.027 35)
-
Step 200
200
#F9CEC3
oklch(88.5% 0.051 34.7)
-
Step 300
300
#F6AB99
oklch(80.9% 0.093 34)
-
Step 400
400
#EE7A60
oklch(70.7% 0.149 33.9)
-
Step 500
500 (this color)
#EC5837
oklch(65.2% 0.189 34.1)
-
Step 600
600
#CE2F00
oklch(55.6% 0.2 34)
-
Step 700
700
#AE2700
oklch(49.1% 0.176 34.2)
-
Step 800
800
#901E00
oklch(42.7% 0.153 34)
-
Step 900
900
#751F0B
oklch(37.7% 0.123 34)
-
Step 950
950
#451409
oklch(27% 0.078 34.2)
#EC5837 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) | #827532 | 0.194 |
| Deuteranopia (no green cones) | #A69531 | 0.177 |
| Tritanopia (no blue cones) | #FF3151 | 0.071 |
| Achromatopsia (no color) | #898989 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC5837
#EC5837
oklch(65.2% 0.189 34.1)
- #00A1BA
#00A1BA
oklch(65.2% 0.115 213.9)
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 #EC5837, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Pant #FB5607 ΔE 0.035
- Orangey Red #FA4224 ΔE 0.036
- Blood Orange #FE4B03 ΔE 0.038
- Orangered #FE420F ΔE 0.041
- Orange Red #FF4500 ΔE 0.041
- Burnt Sienna #E76F51 ΔE 0.043
- Red Orange #FD3C06 ΔE 0.044
- Bright Orange #FF5B00 ΔE 0.044
Use #EC5837 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.