#EC4723
Closest named color: Vermillion (#F4320C). oklch(63.1% 0.207 33.6), rgb(236, 71, 35).
Aa
Black text reads best on this color (5.49:1).
About this color
#EC4723 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.207 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Vermillion (#F4320C), ΔE 0.025 away. Black text reads best on it, at 5.49:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.207) |
| Temperature | warm |
| Nearest name | Vermillion (#F4320C) |
| Black text | 5.49:1 |
| White text | 3.82:1 |
Values
| HEX | #EC4723 |
| RGB | rgb(236, 71, 35) |
| HSL | hsl(11, 84%, 53%) |
| OKLCH | oklch(63.1% 0.207 33.6) |
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 #EC4723 | 3.82:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #EC4723 | 5.49:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #EC4723 text on white | 3.82:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #EC4723 text on black | 5.49:1 | AA | Lc -37.3 | 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
#FDE3DD
oklch(93.5% 0.03 33.1)
-
Step 200
200
#FCCDC1
oklch(88.6% 0.056 34.7)
-
Step 300
300
#FBA996
oklch(81% 0.101 33.6)
-
Step 400
400
#F4755A
oklch(70.7% 0.162 33.4)
-
Step 500
500 (this color)
#EC4723
oklch(63.1% 0.207 33.6)
-
Step 600
600
#CF2D00
oklch(55.6% 0.202 33.6)
-
Step 700
700
#AF2500
oklch(49.1% 0.178 33.7)
-
Step 800
800
#911D00
oklch(42.8% 0.155 33.7)
-
Step 900
900
#791802
oklch(37.7% 0.135 33.6)
-
Step 950
950
#471106
oklch(26.9% 0.085 33.7)
#EC4723 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) | #796B1C | 0.216 |
| Deuteranopia (no green cones) | #A19018 | 0.197 |
| Tritanopia (no blue cones) | #FF0041 | 0.070 |
| Achromatopsia (no color) | #828282 | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC4723
#EC4723
oklch(63.1% 0.207 33.6)
- #009AB2
#009AB2
oklch(63.1% 0.111 213.9)
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 #EC4723, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vermillion #F4320C ΔE 0.025
- Orangey Red #FA4224 ΔE 0.026
- Tomato Red #EC2D01 ΔE 0.031
- Red Orange #FD3C06 ΔE 0.032
- Orangered #FE420F ΔE 0.034
- Deep Orange #DC4D01 ΔE 0.035
- Orange Red #FF4500 ΔE 0.037
- Blood Orange #FE4B03 ΔE 0.038
Use #EC4723 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.