#E16835
Closest named color: Burnt Sienna (#E76F51). oklch(65.6% 0.164 41.8), rgb(225, 104, 53).
Aa
Black text reads best on this color (6.23:1).
About this color
#E16835 is a medium-light, vivid orange. In OKLCH its lightness is 66%, its chroma 0.164 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.030 away. Black text reads best on it, at 6.23:1.
| Hue family | Oranges |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.164) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.23:1 |
| White text | 3.36:1 |
Values
| HEX | #E16835 |
| RGB | rgb(225, 104, 53) |
| HSL | hsl(18, 74%, 55%) |
| OKLCH | oklch(65.6% 0.164 41.8) |
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 #E16835 | 3.36:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #E16835 | 6.23:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #E16835 text on white | 3.36:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #E16835 text on black | 6.23:1 | AA | Lc -41.2 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DE
oklch(93.5% 0.023 41.4)
-
Step 200
200
#F4D0C3
oklch(88.5% 0.044 40.9)
-
Step 300
300
#EEB098
oklch(80.9% 0.08 42.1)
-
Step 400
400
#E3835E
oklch(70.6% 0.129 41.5)
-
Step 500
500 (this color)
#E16835
oklch(65.6% 0.164 41.8)
-
Step 600
600
#C04600
oklch(55.6% 0.169 41.6)
-
Step 700
700
#A23A00
oklch(49% 0.149 41.7)
-
Step 800
800
#862F00
oklch(42.8% 0.129 42)
-
Step 900
900
#6E2908
oklch(37.7% 0.107 41.9)
-
Step 950
950
#411908
oklch(27.1% 0.068 42)
#E16835 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) | #8A7B2E | 0.156 |
| Deuteranopia (no green cones) | #A79632 | 0.143 |
| Tritanopia (no blue cones) | #F74D5D | 0.082 |
| Achromatopsia (no color) | #8C8C8C | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E16835
#E16835
oklch(65.6% 0.164 41.8)
- #00A1C6
#00A1C6
oklch(65.7% 0.121 221.9)
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 #E16835, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.030
- Chocolate #D2691E ΔE 0.033
- Terracota #CB6843 ΔE 0.041
- Terracotta #CA6641 ΔE 0.044
- Pumpkin #E17701 ΔE 0.046
- Terra Cotta #C9643B ΔE 0.047
- Dark Peach #DE7E5D ΔE 0.051
- Orange Pant #FB5607 ΔE 0.051
Use #E16835 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.