#EC4828
Closest named color: Orangey Red (#FA4224). oklch(63.3% 0.206 33), rgb(236, 72, 40).
Aa
Black text reads best on this color (5.52:1).
About this color
#EC4828 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.206 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Orangey Red (#FA4224), ΔE 0.026 away. Black text reads best on it, at 5.52:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.206) |
| Temperature | warm |
| Nearest name | Orangey Red (#FA4224) |
| Black text | 5.52:1 |
| White text | 3.80:1 |
Values
| HEX | #EC4828 |
| RGB | rgb(236, 72, 40) |
| HSL | hsl(10, 84%, 54%) |
| OKLCH | oklch(63.3% 0.206 33) |
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 #EC4828 | 3.80:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #EC4828 | 5.52:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #EC4828 text on white | 3.80:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #EC4828 text on black | 5.52:1 | AA | Lc -37.4 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FDE3DE
oklch(93.6% 0.03 30.6)
-
Step 200
200
#FCCDC2
oklch(88.6% 0.056 33.4)
-
Step 300
300
#FAA997
oklch(80.9% 0.1 33.1)
-
Step 400
400
#F4755C
oklch(70.7% 0.161 32.7)
-
Step 500
500 (this color)
#EC4828
oklch(63.3% 0.206 33)
-
Step 600
600
#D02A00
oklch(55.6% 0.205 33)
-
Step 700
700
#B02200
oklch(49.1% 0.181 33)
-
Step 800
800
#921A00
oklch(42.8% 0.158 32.9)
-
Step 900
900
#791804
oklch(37.7% 0.134 33)
-
Step 950
950
#471107
oklch(27% 0.084 32.9)
#EC4828 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) | #796C22 | 0.215 |
| Deuteranopia (no green cones) | #A2901F | 0.195 |
| Tritanopia (no blue cones) | #FF0042 | 0.070 |
| Achromatopsia (no color) | #838383 | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC4828
#EC4828
oklch(63.3% 0.206 33)
- #009BB2
#009BB2
oklch(63.3% 0.111 213)
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 #EC4828, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orangey Red #FA4224 ΔE 0.026
- Vermillion #F4320C ΔE 0.027
- Red Orange #FD3C06 ΔE 0.032
- Tomato Red #EC2D01 ΔE 0.033
- Orangered #FE420F ΔE 0.034
- Deep Orange #DC4D01 ΔE 0.037
- Orange Red #FF4500 ΔE 0.037
- Blood Orange #FE4B03 ΔE 0.039
Use #EC4828 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.