#EF5B2D
Closest named color: Orange Pant (#FB5607). oklch(65.9% 0.192 37.1), rgb(239, 91, 45).
Aa
Black text reads best on this color (6.20:1).
About this color
#EF5B2D is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.192 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Pant (#FB5607), ΔE 0.025 away. Black text reads best on it, at 6.20:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.192) |
| Temperature | warm |
| Nearest name | Orange Pant (#FB5607) |
| Black text | 6.20:1 |
| White text | 3.38:1 |
Values
| HEX | #EF5B2D |
| RGB | rgb(239, 91, 45) |
| HSL | hsl(14, 86%, 56%) |
| OKLCH | oklch(65.9% 0.192 37.1) |
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 #EF5B2D | 3.38:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #EF5B2D | 6.20:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #EF5B2D text on white | 3.38:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #EF5B2D text on black | 6.20:1 | AA | Lc -41.4 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FBE4DD
oklch(93.6% 0.027 37.6)
-
Step 200
200
#F9CEC1
oklch(88.5% 0.052 37.5)
-
Step 300
300
#F6AC96
oklch(81% 0.093 37.3)
-
Step 400
400
#EE7B59
oklch(70.7% 0.15 37.3)
-
Step 500
500 (this color)
#EF5B2D
oklch(65.9% 0.192 37.1)
-
Step 600
600
#C83B00
oklch(55.7% 0.186 37.1)
-
Step 700
700
#A93000
oklch(49.1% 0.164 37)
-
Step 800
800
#8C2600
oklch(42.7% 0.143 37)
-
Step 900
900
#751F01
oklch(37.6% 0.125 37)
-
Step 950
950
#451406
oklch(27% 0.079 36.6)
#EF5B2D 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) | #857726 | 0.194 |
| Deuteranopia (no green cones) | #AA9826 | 0.176 |
| Tritanopia (no blue cones) | #FF3352 | 0.078 |
| Achromatopsia (no color) | #8C8C8C | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF5B2D
#EF5B2D
oklch(65.9% 0.192 37.1)
- #00A3C1
#00A3C1
oklch(66% 0.118 217.1)
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 #EF5B2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Pant #FB5607 ΔE 0.025
- Blood Orange #FE4B03 ΔE 0.033
- Bright Orange #FF5B00 ΔE 0.033
- Orange Red #FF4500 ΔE 0.038
- Orangey Red #FA4224 ΔE 0.038
- Orangered #FE420F ΔE 0.040
- Tomato #FF6347 ΔE 0.040
- Burnt Sienna #E76F51 ΔE 0.041
Use #EF5B2D 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.