#EF6525
Closest named color: Orange Pant (#FB5607). oklch(67.2% 0.185 42), rgb(239, 101, 37).
Aa
Black text reads best on this color (6.55:1).
About this color
#EF6525 is a medium-light, vivid orange. In OKLCH its lightness is 67%, its chroma 0.185 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Pant (#FB5607), ΔE 0.029 away. Black text reads best on it, at 6.55:1.
| Hue family | Oranges |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.185) |
| Temperature | warm |
| Nearest name | Orange Pant (#FB5607) |
| Black text | 6.55:1 |
| White text | 3.20:1 |
Values
| HEX | #EF6525 |
| RGB | rgb(239, 101, 37) |
| HSL | hsl(19, 86%, 54%) |
| OKLCH | oklch(67.2% 0.185 42) |
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 #EF6525 | 3.20:1 | AA large text | Lc -63.8 | Content text, not long reading |
| Black text on #EF6525 | 6.55:1 | AA | Lc 45.7 | Large or bold text, headings |
| #EF6525 text on white | 3.20:1 | AA large text | Lc 58.4 | Large or bold text, headings |
| #EF6525 text on black | 6.55:1 | AA | Lc -43.4 | 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 400.
-
Step 50
50
#FFF2EE
oklch(97% 0.015 37.9)
-
Step 100
100
#FFE3D9
oklch(93.6% 0.034 40.7)
-
Step 200
200
#FFCCB9
oklch(88.5% 0.064 41.4)
-
Step 300
300
#FFA886
oklch(81% 0.113 42.1)
-
Step 400
400 (this color)
#EF6525
oklch(67.2% 0.185 42)
-
Step 500
500
#E35500
oklch(63.1% 0.191 41.8)
-
Step 600
600
#C04700
oklch(55.7% 0.168 42)
-
Step 700
700
#A23B00
oklch(49.2% 0.148 42.2)
-
Step 800
800
#862F00
oklch(42.8% 0.129 42)
-
Step 900
900
#702600
oklch(37.6% 0.113 42)
-
Step 950
950
#451400
oklch(26.9% 0.081 41.8)
#EF6525 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) | #8D7C19 | 0.178 |
| Deuteranopia (no green cones) | #AE9C1E | 0.163 |
| Tritanopia (no blue cones) | #FF4359 | 0.087 |
| Achromatopsia (no color) | #909090 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF6525
#EF6525
oklch(67.2% 0.185 42)
- #00A6CC
#00A6CC
oklch(67.2% 0.124 221.8)
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 #EF6525, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Pant #FB5607 ΔE 0.029
- Bright Orange #FF5B00 ΔE 0.030
- Burnt Sienna #E76F51 ΔE 0.036
- Tomato #FF6347 ΔE 0.042
- Blood Orange #FE4B03 ΔE 0.044
- Pumpkin #E17701 ΔE 0.048
- Pinkish Orange #FF724C ΔE 0.049
- Orange Pink #FF6F52 ΔE 0.050
Use #EF6525 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.