#E66149
Closest named color: Burnt Sienna (#E76F51). oklch(65.6% 0.17 32.2), rgb(230, 97, 73).
Aa
Black text reads best on this color (6.17:1).
About this color
#E66149 is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.170 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.028 away. Black text reads best on it, at 6.17:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.170) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.17:1 |
| White text | 3.40:1 |
Values
| HEX | #E66149 |
| RGB | rgb(230, 97, 73) |
| HSL | hsl(9, 76%, 59%) |
| OKLCH | oklch(65.6% 0.17 32.2) |
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 #E66149 | 3.40:1 | AA large text | Lc -66.2 | Content text, not long reading |
| Black text on #E66149 | 6.17:1 | AA | Lc 43.3 | Non-text elements, placeholder text |
| #E66149 text on white | 3.40:1 | AA large text | Lc 60.8 | Content text, not long reading |
| #E66149 text on black | 6.17:1 | AA | Lc -40.9 | 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
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F6CFC6
oklch(88.5% 0.046 33.2)
-
Step 300
300
#F1AD9F
oklch(80.8% 0.083 31.9)
-
Step 400
400
#E77F6A
oklch(70.7% 0.133 32.5)
-
Step 500
500 (this color)
#E66149
oklch(65.6% 0.17 32.2)
-
Step 600
600
#C9381F
oklch(55.7% 0.186 32.2)
-
Step 700
700
#AD2811
oklch(49.1% 0.173 32.1)
-
Step 800
800
#8C2412
oklch(42.6% 0.142 32.3)
-
Step 900
900
#712417
oklch(37.7% 0.112 32)
-
Step 950
950
#42160F
oklch(26.8% 0.07 31.2)
#E66149 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) | #857946 | 0.174 |
| Deuteranopia (no green cones) | #A59645 | 0.161 |
| Tritanopia (no blue cones) | #FC455C | 0.065 |
| Achromatopsia (no color) | #8B8B8B | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E66149
#E66149
oklch(65.6% 0.17 32.2)
- #00A3BA
#00A3BA
oklch(65.7% 0.115 212.2)
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 #E66149, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.028
- Pastel Red #DB5856 ΔE 0.036
- Pale Red #D9544D ΔE 0.040
- Grapefruit #FD5956 ΔE 0.047
- Tomato #FF6347 ΔE 0.047
- Orange Pant #FB5607 ΔE 0.050
- Terracota #CB6843 ΔE 0.051
- Terracotta #CA6641 ΔE 0.053
Use #E66149 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.