#E4623F
Closest named color: Burnt Sienna (#E76F51). oklch(65.3% 0.17 36), rgb(228, 98, 63).
Aa
Black text reads best on this color (6.11:1).
About this color
#E4623F is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.170 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.029 away. Black text reads best on it, at 6.11:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.170) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #E4623F |
| RGB | rgb(228, 98, 63) |
| HSL | hsl(13, 75%, 57%) |
| OKLCH | oklch(65.3% 0.17 36) |
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 #E4623F | 3.43:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #E4623F | 6.11:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #E4623F text on white | 3.43:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #E4623F text on black | 6.11:1 | AA | Lc -40.6 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F6CFC4
oklch(88.5% 0.047 36.3)
-
Step 300
300
#F1AE9C
oklch(80.9% 0.083 35.6)
-
Step 400
400
#E78064
oklch(70.7% 0.134 36.1)
-
Step 500
500 (this color)
#E4623F
oklch(65.3% 0.17 36)
-
Step 600
600
#C83B0C
oklch(55.7% 0.185 36)
-
Step 700
700
#AB2D00
oklch(49.1% 0.169 35.9)
-
Step 800
800
#8C2605
oklch(42.8% 0.142 35.9)
-
Step 900
900
#702511
oklch(37.6% 0.111 35.6)
-
Step 950
950
#42170C
oklch(27% 0.07 35.4)
#E4623F 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) | #86793B | 0.169 |
| Deuteranopia (no green cones) | #A5953B | 0.156 |
| Tritanopia (no blue cones) | #FA455A | 0.072 |
| Achromatopsia (no color) | #8A8A8A | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4623F
#E4623F
oklch(65.3% 0.17 36)
- #00A1BD
#00A1BD
oklch(65.3% 0.116 216)
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 #E4623F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.029
- Pastel Red #DB5856 ΔE 0.043
- Pale Red #D9544D ΔE 0.044
- Terracota #CB6843 ΔE 0.045
- Chocolate #D2691E ΔE 0.047
- Terracotta #CA6641 ΔE 0.047
- Orange Pant #FB5607 ΔE 0.047
- Deep Orange #DC4D01 ΔE 0.050
Use #E4623F 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.