#EC7540
Closest named color: Burnt Sienna (#E76F51). oklch(69.2% 0.162 43.1), rgb(236, 117, 64).
Aa
Black text reads best on this color (7.18:1).
About this color
#EC7540 is a medium-light, vivid orange. In OKLCH its lightness is 69%, its chroma 0.162 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.027 away. Black text reads best on it, at 7.18:1.
| Hue family | Oranges |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 7.18:1 |
| White text | 2.92:1 |
Values
| HEX | #EC7540 |
| RGB | rgb(236, 117, 64) |
| HSL | hsl(18, 82%, 59%) |
| OKLCH | oklch(69.2% 0.162 43.1) |
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 #EC7540 | 2.92:1 | Fails | Lc -60.4 | Content text, not long reading |
| Black text on #EC7540 | 7.18:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #EC7540 text on white | 2.92:1 | Fails | Lc 55.1 | Large or bold text, headings |
| #EC7540 text on black | 7.18:1 | AAA | Lc -46.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#FEF3EE
oklch(97.1% 0.014 46.2)
-
Step 100
100
#FCE4DB
oklch(93.6% 0.029 41.7)
-
Step 200
200
#FACEBC
oklch(88.5% 0.056 43.4)
-
Step 300
300
#F8AB8C
oklch(80.8% 0.101 42.8)
-
Step 400
400 (this color)
#EC7540
oklch(69.2% 0.162 43.1)
-
Step 500
500
#E15800
oklch(63.2% 0.187 43.1)
-
Step 600
600
#BE4900
oklch(55.6% 0.165 43.1)
-
Step 700
700
#A03C00
oklch(49% 0.145 43)
-
Step 800
800
#853100
oklch(42.9% 0.126 43.3)
-
Step 900
900
#6F2700
oklch(37.6% 0.111 42.9)
-
Step 950
950
#451500
oklch(27% 0.081 42.7)
#EC7540 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) | #96873A | 0.151 |
| Deuteranopia (no green cones) | #B3A13D | 0.138 |
| Tritanopia (no blue cones) | #FF5C69 | 0.082 |
| Achromatopsia (no color) | #979797 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC7540
#EC7540
oklch(69.2% 0.162 43.1)
- #00ACD6
#00ACD6
oklch(69.1% 0.129 223.4)
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 #EC7540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.027
- Dark Peach #DE7E5D ΔE 0.035
- Dusty Orange #F0833A ΔE 0.035
- Pinkish Orange #FF724C ΔE 0.037
- Pumpkin #E17701 ΔE 0.041
- Melon #FF7855 ΔE 0.041
- Orange Pink #FF6F52 ΔE 0.042
- Coral #FF7F50 ΔE 0.044
Use #EC7540 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.