#EC552A
Closest named color: Orange Pant (#FB5607). oklch(64.7% 0.194 36.1), rgb(236, 85, 42).
Aa
Black text reads best on this color (5.89:1).
About this color
#EC552A is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.194 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Pant (#FB5607), ΔE 0.031 away. Black text reads best on it, at 5.89:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Orange Pant (#FB5607) |
| Black text | 5.89:1 |
| White text | 3.55:1 |
Values
| HEX | #EC552A |
| RGB | rgb(236, 85, 42) |
| HSL | hsl(13, 84%, 55%) |
| OKLCH | oklch(64.7% 0.194 36.1) |
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 #EC552A | 3.55:1 | AA large text | Lc -67.6 | Content text, not long reading |
| Black text on #EC552A | 5.89:1 | AA | Lc 41.9 | Non-text elements, placeholder text |
| #EC552A text on white | 3.55:1 | AA large text | Lc 62.1 | Content text, not long reading |
| #EC552A text on black | 5.89:1 | AA | Lc -39.6 | 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
#FCE4DD
oklch(93.6% 0.028 36.9)
-
Step 200
200
#FACEC1
oklch(88.6% 0.053 37.1)
-
Step 300
300
#F7AB96
oklch(80.9% 0.095 36.1)
-
Step 400
400
#EF7A5A
oklch(70.7% 0.152 36.2)
-
Step 500
500 (this color)
#EC552A
oklch(64.7% 0.194 36.1)
-
Step 600
600
#CA3700
oklch(55.6% 0.191 36)
-
Step 700
700
#AB2D00
oklch(49.1% 0.169 35.9)
-
Step 800
800
#8D2400
oklch(42.7% 0.146 36.1)
-
Step 900
900
#761E02
oklch(37.7% 0.127 36.1)
-
Step 950
950
#461406
oklch(27.2% 0.08 36.4)
#EC552A 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) | #817223 | 0.197 |
| Deuteranopia (no green cones) | #A69423 | 0.180 |
| Tritanopia (no blue cones) | #FF294D | 0.077 |
| Achromatopsia (no color) | #888888 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC552A
#EC552A
oklch(64.7% 0.194 36.1)
- #009FBB
#009FBB
oklch(64.7% 0.115 216.2)
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 #EC552A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Pant #FB5607 ΔE 0.031
- Orangey Red #FA4224 ΔE 0.033
- Blood Orange #FE4B03 ΔE 0.034
- Orangered #FE420F ΔE 0.037
- Orange Red #FF4500 ΔE 0.037
- Deep Orange #DC4D01 ΔE 0.040
- Red Orange #FD3C06 ΔE 0.040
- Bright Orange #FF5B00 ΔE 0.043
Use #EC552A 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.