#E3704E
Closest named color: Burnt Sienna (#E76F51). oklch(67.4% 0.152 37.2), rgb(227, 112, 78).
Aa
Black text reads best on this color (6.69:1).
About this color
#E3704E is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.152 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.008 away. Black text reads best on it, at 6.69:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.69:1 |
| White text | 3.13:1 |
Values
| HEX | #E3704E |
| RGB | rgb(227, 112, 78) |
| HSL | hsl(14, 73%, 60%) |
| OKLCH | oklch(67.4% 0.152 37.2) |
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 #E3704E | 3.13:1 | AA large text | Lc -63.3 | Content text, not long reading |
| Black text on #E3704E | 6.69:1 | AA | Lc 46.2 | Large or bold text, headings |
| #E3704E text on white | 3.13:1 | AA large text | Lc 57.9 | Large or bold text, headings |
| #E3704E text on black | 6.69:1 | AA | Lc -43.8 | 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
#F9CEC1
oklch(88.5% 0.052 37.5)
-
Step 300
300
#F7AB95
oklch(80.9% 0.095 36.8)
-
Step 400
400 (this color)
#E3704E
oklch(67.4% 0.152 37.2)
-
Step 500
500
#E6511F
oklch(63.2% 0.194 37.3)
-
Step 600
600
#C83B00
oklch(55.7% 0.186 37.1)
-
Step 700
700
#A93100
oklch(49.2% 0.163 37.3)
-
Step 800
800
#8B2700
oklch(42.7% 0.141 37.5)
-
Step 900
900
#751F00
oklch(37.6% 0.125 37.3)
-
Step 950
950
#451405
oklch(27% 0.079 37.5)
#E3704E 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) | #8E824A | 0.149 |
| Deuteranopia (no green cones) | #AA9B4C | 0.137 |
| Tritanopia (no blue cones) | #F85A68 | 0.069 |
| Achromatopsia (no color) | #919191 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3704E
#E3704E
oklch(67.4% 0.152 37.2)
- #00A8C7
#00A8C7
oklch(67.5% 0.121 217.2)
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 #E3704E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.008
- Dark Peach #DE7E5D ΔE 0.030
- Terracota #CB6843 ΔE 0.051
- Orange Pink #FF6F52 ΔE 0.051
- Pinkish Orange #FF724C ΔE 0.052
- Tomato #FF6347 ΔE 0.052
- Chocolate #D2691E ΔE 0.053
- Pumpkin #E17701 ΔE 0.054
Use #E3704E 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.