#EF7939
Closest named color: Dusty Orange (#F0833A). oklch(70.2% 0.164 46.4), rgb(239, 121, 57).
Aa
Black text reads best on this color (7.46:1).
About this color
#EF7939 is a medium-light, vivid orange. In OKLCH its lightness is 70%, its chroma 0.164 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Orange (#F0833A), ΔE 0.022 away. Black text reads best on it, at 7.46:1.
| Hue family | Oranges |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.164) |
| Temperature | warm |
| Nearest name | Dusty Orange (#F0833A) |
| Black text | 7.46:1 |
| White text | 2.81:1 |
Values
| HEX | #EF7939 |
| RGB | rgb(239, 121, 57) |
| HSL | hsl(21, 85%, 58%) |
| OKLCH | oklch(70.2% 0.164 46.4) |
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 #EF7939 | 2.81:1 | Fails | Lc -58.8 | Large or bold text, headings |
| Black text on #EF7939 | 7.46:1 | AAA | Lc 50.5 | Large or bold text, headings |
| #EF7939 text on white | 2.81:1 | Fails | Lc 53.5 | Large or bold text, headings |
| #EF7939 text on black | 7.46:1 | AAA | Lc -48.3 | 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
#FCE4DA
oklch(93.6% 0.03 44)
-
Step 200
200
#FACEBA
oklch(88.4% 0.057 45.8)
-
Step 300
300
#F8AC88
oklch(80.9% 0.102 46.2)
-
Step 400
400 (this color)
#EF7939
oklch(70.2% 0.164 46.4)
-
Step 500
500
#DB5E00
oklch(63% 0.176 46.3)
-
Step 600
600
#B94E00
oklch(55.5% 0.156 46.2)
-
Step 700
700
#9C4100
oklch(49% 0.137 46.5)
-
Step 800
800
#813400
oklch(42.6% 0.119 46.2)
-
Step 900
900
#6D2B00
oklch(37.8% 0.106 46.3)
-
Step 950
950
#431700
oklch(27% 0.076 45.7)
#EF7939 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) | #9A8A31 | 0.149 |
| Deuteranopia (no green cones) | #B7A437 | 0.134 |
| Tritanopia (no blue cones) | #FF606C | 0.088 |
| Achromatopsia (no color) | #9A9A9A | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF7939
#EF7939
oklch(70.2% 0.164 46.4)
- #00AFDF
#00AFDF
oklch(70.3% 0.135 226.3)
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 #EF7939, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Orange #F0833A ΔE 0.022
- Pumpkin Orange #FB7D07 ΔE 0.033
- Orange Wheel #F77F00 ΔE 0.033
- Pumpkin #E17701 ΔE 0.038
- Pinkish Orange #FF724C ΔE 0.038
- Coral #FF7F50 ΔE 0.038
- Burnt Sienna #E76F51 ΔE 0.040
- Melon #FF7855 ΔE 0.041
Use #EF7939 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.