#E16535
Closest named color: Burnt Sienna (#E76F51). oklch(65.2% 0.167 40.4), rgb(225, 101, 53).
Aa
Black text reads best on this color (6.11:1).
About this color
#E16535 is a medium-light, vivid orange. In OKLCH its lightness is 65%, its chroma 0.167 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.032 away. Black text reads best on it, at 6.11:1.
| Hue family | Oranges |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.167) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #E16535 |
| RGB | rgb(225, 101, 53) |
| HSL | hsl(17, 74%, 55%) |
| OKLCH | oklch(65.2% 0.167 40.4) |
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 #E16535 | 3.43:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #E16535 | 6.11:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #E16535 text on white | 3.43:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #E16535 text on black | 6.11:1 | AA | Lc -40.5 | 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
#F9E5DE
oklch(93.6% 0.024 40.3)
-
Step 200
200
#F5D0C3
oklch(88.6% 0.045 40.3)
-
Step 300
300
#EFAF99
oklch(80.8% 0.082 39.8)
-
Step 400
400
#E4825F
oklch(70.6% 0.131 40.2)
-
Step 500
500 (this color)
#E16535
oklch(65.2% 0.167 40.4)
-
Step 600
600
#C24400
oklch(55.7% 0.173 40.6)
-
Step 700
700
#A43800
oklch(49.1% 0.153 40.5)
-
Step 800
800
#882D00
oklch(42.8% 0.133 40.5)
-
Step 900
900
#6F2809
oklch(37.8% 0.108 40.7)
-
Step 950
950
#411808
oklch(26.9% 0.069 40.7)
#E16535 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) | #88792F | 0.160 |
| Deuteranopia (no green cones) | #A69531 | 0.147 |
| Tritanopia (no blue cones) | #F7495B | 0.080 |
| Achromatopsia (no color) | #8A8A8A | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E16535
#E16535
oklch(65.2% 0.167 40.4)
- #00A0C2
#00A0C2
oklch(65.3% 0.119 220.1)
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 #E16535, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.032
- Chocolate #D2691E ΔE 0.035
- Terracota #CB6843 ΔE 0.040
- Terracotta #CA6641 ΔE 0.042
- Terra Cotta #C9643B ΔE 0.045
- Deep Orange #DC4D01 ΔE 0.048
- Orange Pant #FB5607 ΔE 0.050
- Pumpkin #E17701 ΔE 0.052
Use #E16535 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.