#E1704E
Closest named color: Burnt Sienna (#E76F51). oklch(67.1% 0.149 37.5), rgb(225, 112, 78).
Aa
Black text reads best on this color (6.62:1).
About this color
#E1704E is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.149 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.012 away. Black text reads best on it, at 6.62:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.62:1 |
| White text | 3.16:1 |
Values
| HEX | #E1704E |
| RGB | rgb(225, 112, 78) |
| HSL | hsl(14, 71%, 59%) |
| OKLCH | oklch(67.1% 0.149 37.5) |
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 #E1704E | 3.16:1 | AA large text | Lc -63.7 | Content text, not long reading |
| Black text on #E1704E | 6.62:1 | AA | Lc 45.8 | Large or bold text, headings |
| #E1704E text on white | 3.16:1 | AA large text | Lc 58.3 | Large or bold text, headings |
| #E1704E text on black | 6.62:1 | AA | Lc -43.5 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
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
#F6AC95
oklch(81% 0.093 38)
-
Step 400
400 (this color)
#E1704E
oklch(67.1% 0.149 37.5)
-
Step 500
500
#E45221
oklch(63% 0.191 37.4)
-
Step 600
600
#C73C00
oklch(55.6% 0.184 37.5)
-
Step 700
700
#A83100
oklch(49% 0.162 37.4)
-
Step 800
800
#8B2700
oklch(42.7% 0.141 37.5)
-
Step 900
900
#752000
oklch(37.7% 0.124 37.7)
-
Step 950
950
#451405
oklch(27% 0.079 37.5)
#E1704E 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) | #8E814B | 0.145 |
| Deuteranopia (no green cones) | #A99A4C | 0.134 |
| Tritanopia (no blue cones) | #F65A68 | 0.069 |
| Achromatopsia (no color) | #919191 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E1704E
#E1704E
oklch(67.1% 0.149 37.5)
- #00A7C6
#00A7C6
oklch(67.2% 0.12 217.3)
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 #E1704E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.012
- Dark Peach #DE7E5D ΔE 0.030
- Terracota #CB6843 ΔE 0.047
- Chocolate #D2691E ΔE 0.050
- Terracotta #CA6641 ΔE 0.051
- Pumpkin #E17701 ΔE 0.054
- Orange Pink #FF6F52 ΔE 0.055
- Tomato #FF6347 ΔE 0.055
Use #E1704E 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.