#E66561
Closest named color: Burnt Sienna (#E76F51). oklch(66.5% 0.162 24.2), rgb(230, 101, 97).
Aa
Black text reads best on this color (6.39:1).
About this color
#E66561 is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.162 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.033 away. Black text reads best on it, at 6.39:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.39:1 |
| White text | 3.28:1 |
Values
| HEX | #E66561 |
| RGB | rgb(230, 101, 97) |
| HSL | hsl(2, 73%, 64%) |
| OKLCH | oklch(66.5% 0.162 24.2) |
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 #E66561 | 3.28:1 | AA large text | Lc -64.9 | Content text, not long reading |
| Black text on #E66561 | 6.39:1 | AA | Lc 44.6 | Non-text elements, placeholder text |
| #E66561 text on white | 3.28:1 | AA large text | Lc 59.5 | Large or bold text, headings |
| #E66561 text on black | 6.39:1 | AA | Lc -42.2 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#F9E4E2
oklch(93.5% 0.023 24.1)
-
Step 200
200
#F5CFCB
oklch(88.6% 0.043 25.1)
-
Step 300
300
#F0ADA8
oklch(80.9% 0.08 23.8)
-
Step 400
400
#E57F79
oklch(70.7% 0.127 24.3)
-
Step 500
500 (this color)
#E66561
oklch(66.5% 0.162 24.2)
-
Step 600
600
#C53A3C
oklch(55.5% 0.176 24.2)
-
Step 700
700
#AA2B2F
oklch(49.1% 0.163 24.1)
-
Step 800
800
#8A2627
oklch(42.7% 0.135 24.4)
-
Step 900
900
#6F2524
oklch(37.7% 0.105 24.4)
-
Step 950
950
#411716
oklch(27% 0.066 23.9)
#E66561 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) | #857D60 | 0.171 |
| Deuteranopia (no green cones) | #A5985E | 0.158 |
| Tritanopia (no blue cones) | #FB4E65 | 0.052 |
| Achromatopsia (no color) | #8E8E8E | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E66561
#E66561
oklch(66.5% 0.162 24.2)
- #00A7B4
#00A7B4
oklch(66.4% 0.113 204.6)
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 #E66561, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.033
- Pastel Red #DB5856 ΔE 0.036
- Grapefruit #FD5956 ΔE 0.043
- Coral Pink #FF6163 ΔE 0.045
- Pale Red #D9544D ΔE 0.046
- Tomato #FF6347 ΔE 0.052
- Indian Red #CD5C5C ΔE 0.053
- Dark Peach #DE7E5D ΔE 0.057
Use #E66561 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.