#EC471F
Closest named color: Vermillion (#F4320C). oklch(63.1% 0.208 34.2), rgb(236, 71, 31).
Aa
Black text reads best on this color (5.48:1).
About this color
#EC471F is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.208 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 5.48:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Vermillion (#F4320C) |
| Black text | 5.48:1 |
| White text | 3.82:1 |
Values
| HEX | #EC471F |
| RGB | rgb(236, 71, 31) |
| HSL | hsl(12, 84%, 52%) |
| OKLCH | oklch(63.1% 0.208 34.2) |
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 #EC471F | 3.82:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #EC471F | 5.48:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #EC471F text on white | 3.82:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #EC471F text on black | 5.48:1 | AA | Lc -37.2 | 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
#FEF2EF
oklch(97% 0.014 34.3)
-
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
#FBA995
oklch(81% 0.102 34.3)
-
Step 400
400
#F47558
oklch(70.6% 0.163 34.2)
-
Step 500
500 (this color)
#EC471F
oklch(63.1% 0.208 34.2)
-
Step 600
600
#CD3000
oklch(55.5% 0.199 34.2)
-
Step 700
700
#AE2700
oklch(49.1% 0.176 34.2)
-
Step 800
800
#901F00
oklch(42.8% 0.153 34.3)
-
Step 900
900
#791800
oklch(37.7% 0.135 34.2)
-
Step 950
950
#471105
oklch(26.9% 0.085 34.5)
#EC471F 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) | #796B16 | 0.216 |
| Deuteranopia (no green cones) | #A29012 | 0.196 |
| Tritanopia (no blue cones) | #FF0040 | 0.071 |
| Achromatopsia (no color) | #828282 | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC471F
#EC471F
oklch(63.1% 0.208 34.2)
- #009AB3
#009AB3
oklch(63.1% 0.111 214.6)
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 #EC471F, 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 0.027
- Tomato Red #EC2D01 ΔE 0.031
- Red Orange #FD3C06 ΔE 0.032
- Orangered #FE420F ΔE 0.033
- Deep Orange #DC4D01 ΔE 0.034
- Orange Red #FF4500 ΔE 0.036
- Blood Orange #FE4B03 ΔE 0.038
Use #EC471F 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.