#E66659
Closest named color: Burnt Sienna (#E76F51). oklch(66.5% 0.162 28.1), rgb(230, 102, 89).
Aa
Black text reads best on this color (6.40:1).
About this color
#E66659 is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.162 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.024 away. Black text reads best on it, at 6.40:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.40:1 |
| White text | 3.27:1 |
Values
| HEX | #E66659 |
| RGB | rgb(230, 102, 89) |
| HSL | hsl(6, 74%, 63%) |
| OKLCH | oklch(66.5% 0.162 28.1) |
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 #E66659 | 3.27:1 | AA large text | Lc -64.9 | Content text, not long reading |
| Black text on #E66659 | 6.40:1 | AA | Lc 44.6 | Non-text elements, placeholder text |
| #E66659 text on white | 3.27:1 | AA large text | Lc 59.4 | Large or bold text, headings |
| #E66659 text on black | 6.40:1 | AA | Lc -42.3 | 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 500.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#F9E5E1
oklch(93.7% 0.023 31.1)
-
Step 200
200
#F5CFC9
oklch(88.5% 0.044 28.5)
-
Step 300
300
#F0AEA4
oklch(81% 0.079 28.6)
-
Step 400
400
#E58073
oklch(70.8% 0.127 28.4)
-
Step 500
500 (this color)
#E66659
oklch(66.5% 0.162 28.1)
-
Step 600
600
#C53C32
oklch(55.6% 0.175 28.3)
-
Step 700
700
#AA2C25
oklch(49.1% 0.164 28)
-
Step 800
800
#8A2720
oklch(42.7% 0.135 28.2)
-
Step 900
900
#6F261F
oklch(37.7% 0.105 28.5)
-
Step 950
950
#411713
oklch(26.9% 0.066 27.8)
#E66659 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) | #867D57 | 0.169 |
| Deuteranopia (no green cones) | #A69856 | 0.155 |
| Tritanopia (no blue cones) | #FB4E63 | 0.057 |
| Achromatopsia (no color) | #8E8E8E | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E66659
#E66659
oklch(66.5% 0.162 28.1)
- #00A7B8
#00A7B8
oklch(66.6% 0.114 207.6)
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 #E66659, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.024
- Pastel Red #DB5856 ΔE 0.038
- Grapefruit #FD5956 ΔE 0.044
- Pale Red #D9544D ΔE 0.046
- Tomato #FF6347 ΔE 0.048
- Coral Pink #FF6163 ΔE 0.048
- Dark Peach #DE7E5D ΔE 0.052
- Orange Pink #FF6F52 ΔE 0.054
Use #E66659 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.