#E3724D
Closest named color: Burnt Sienna (#E76F51). oklch(67.7% 0.15 38.7), rgb(227, 114, 77).
Aa
Black text reads best on this color (6.78:1).
About this color
#E3724D is a medium-light, vivid red. In OKLCH its lightness is 68%, its chroma 0.150 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.011 away. Black text reads best on it, at 6.78:1.
| Hue family | Reds |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.78:1 |
| White text | 3.09:1 |
Values
| HEX | #E3724D |
| RGB | rgb(227, 114, 77) |
| HSL | hsl(15, 73%, 60%) |
| OKLCH | oklch(67.7% 0.15 38.7) |
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 #E3724D | 3.09:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #E3724D | 6.78:1 | AA | Lc 46.6 | Large or bold text, headings |
| #E3724D text on white | 3.09:1 | AA large text | Lc 57.4 | Large or bold text, headings |
| #E3724D text on black | 6.78:1 | AA | Lc -44.3 | 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 400.
-
Step 50
50
#FEF3EF
oklch(97.2% 0.013 41.2)
-
Step 100
100
#FBE4DD
oklch(93.6% 0.027 37.6)
-
Step 200
200
#F9CEC0
oklch(88.5% 0.053 38.8)
-
Step 300
300
#F6AC94
oklch(80.9% 0.094 38.7)
-
Step 400
400 (this color)
#E3724D
oklch(67.7% 0.15 38.7)
-
Step 500
500
#E4521A
oklch(63% 0.192 38.5)
-
Step 600
600
#C53F00
oklch(55.6% 0.18 38.6)
-
Step 700
700
#A73400
oklch(49.2% 0.159 38.6)
-
Step 800
800
#8A2900
oklch(42.7% 0.139 38.4)
-
Step 900
900
#742100
oklch(37.7% 0.122 38.4)
-
Step 950
950
#451404
oklch(26.9% 0.08 38.3)
#E3724D 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) | #908349 | 0.145 |
| Deuteranopia (no green cones) | #AC9C4B | 0.133 |
| Tritanopia (no blue cones) | #F85C69 | 0.071 |
| Achromatopsia (no color) | #929292 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3724D
#E3724D
oklch(67.7% 0.15 38.7)
- #00A8CA
#00A8CA
oklch(67.6% 0.122 219.1)
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 #E3724D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.011
- Dark Peach #DE7E5D ΔE 0.027
- Pumpkin #E17701 ΔE 0.050
- Pinkish Orange #FF724C ΔE 0.050
- Orange Pink #FF6F52 ΔE 0.051
- Terracota #CB6843 ΔE 0.052
- Chocolate #D2691E ΔE 0.053
- Tomato #FF6347 ΔE 0.053
Use #E3724D 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.