#EF6E30
Closest named color: Burnt Sienna (#E76F51). oklch(68.5% 0.175 43.4), rgb(239, 110, 48).
Aa
Black text reads best on this color (6.94:1).
About this color
#EF6E30 is a medium-light, vivid orange. In OKLCH its lightness is 68%, its chroma 0.175 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.031 away. Black text reads best on it, at 6.94:1.
| Hue family | Oranges |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.94:1 |
| White text | 3.02:1 |
Values
| HEX | #EF6E30 |
| RGB | rgb(239, 110, 48) |
| HSL | hsl(19, 86%, 56%) |
| OKLCH | oklch(68.5% 0.175 43.4) |
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 #EF6E30 | 3.02:1 | AA large text | Lc -61.6 | Content text, not long reading |
| Black text on #EF6E30 | 6.94:1 | AA | Lc 47.8 | Large or bold text, headings |
| #EF6E30 text on white | 3.02:1 | AA large text | Lc 56.3 | Large or bold text, headings |
| #EF6E30 text on black | 6.94:1 | AA | Lc -45.5 | 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
#FFF3EE
oklch(97.2% 0.015 44.2)
-
Step 100
100
#FDE4D9
oklch(93.6% 0.031 45.3)
-
Step 200
200
#FDCDB9
oklch(88.5% 0.061 43.8)
-
Step 300
300
#FCA986
oklch(80.8% 0.109 43.6)
-
Step 400
400 (this color)
#EF6E30
oklch(68.5% 0.175 43.4)
-
Step 500
500
#E05900
oklch(63.1% 0.185 43.6)
-
Step 600
600
#BD4A00
oklch(55.6% 0.163 43.7)
-
Step 700
700
#A03D00
oklch(49.1% 0.144 43.5)
-
Step 800
800
#843100
oklch(42.7% 0.125 43.5)
-
Step 900
900
#6F2800
oklch(37.7% 0.111 43.6)
-
Step 950
950
#441500
oklch(26.8% 0.079 43.1)
#EF6E30 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) | #928227 | 0.166 |
| Deuteranopia (no green cones) | #B29F2C | 0.150 |
| Tritanopia (no blue cones) | #FF5162 | 0.087 |
| Achromatopsia (no color) | #949494 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF6E30
#EF6E30
oklch(68.5% 0.175 43.4)
- #00AAD3
#00AAD3
oklch(68.5% 0.128 223.1)
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 #EF6E30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.031
- Bright Orange #FF5B00 ΔE 0.039
- Pinkish Orange #FF724C ΔE 0.039
- Pumpkin #E17701 ΔE 0.040
- Orange Pant #FB5607 ΔE 0.042
- Tomato #FF6347 ΔE 0.043
- Orange Pink #FF6F52 ΔE 0.043
- Dusty Orange #F0833A ΔE 0.044
Use #EF6E30 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.