#EF4935
Closest named color: Orangey Red (#FA4224). oklch(64% 0.206 30.4), rgb(239, 73, 53).
Aa
Black text reads best on this color (5.67:1).
About this color
#EF4935 is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.206 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Orangey Red (#FA4224), ΔE 0.022 away. Black text reads best on it, at 5.67:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.206) |
| Temperature | warm |
| Nearest name | Orangey Red (#FA4224) |
| Black text | 5.67:1 |
| White text | 3.70:1 |
Values
| HEX | #EF4935 |
| RGB | rgb(239, 73, 53) |
| HSL | hsl(6, 85%, 57%) |
| OKLCH | oklch(64% 0.206 30.4) |
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 #EF4935 | 3.70:1 | AA large text | Lc -68.8 | Content text, not long reading |
| Black text on #EF4935 | 5.67:1 | AA | Lc 40.8 | Non-text elements, placeholder text |
| #EF4935 text on white | 3.70:1 | AA large text | Lc 63.3 | Content text, not long reading |
| #EF4935 text on black | 5.67:1 | AA | Lc -38.4 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FDE3DE
oklch(93.6% 0.03 30.6)
-
Step 200
200
#FCCCC3
oklch(88.5% 0.056 30.5)
-
Step 300
300
#FBA89A
oklch(80.9% 0.101 30)
-
Step 400
400
#F47461
oklch(70.6% 0.161 30.2)
-
Step 500
500 (this color)
#EF4935
oklch(64% 0.206 30.4)
-
Step 600
600
#D61500
oklch(55.6% 0.221 30.4)
-
Step 700
700
#B51000
oklch(49% 0.195 30.4)
-
Step 800
800
#960B00
oklch(42.7% 0.17 30.3)
-
Step 900
900
#79170C
oklch(37.7% 0.134 30.5)
-
Step 950
950
#47100A
oklch(26.9% 0.085 29.8)
#EF4935 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) | #7A6E31 | 0.217 |
| Deuteranopia (no green cones) | #A3922E | 0.198 |
| Tritanopia (no blue cones) | #FF0046 | 0.065 |
| Achromatopsia (no color) | #858585 | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF4935
#EF4935
oklch(64% 0.206 30.4)
- #009EB1
#009EB1
oklch(64.1% 0.111 209.7)
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 #EF4935, closest first.
No curated palette has a color within ΔE 0.04 of #EF4935.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orangey Red #FA4224 ΔE 0.022
- Vermillion #F4320C ΔE 0.030
- Red Orange #FD3C06 ΔE 0.032
- Orangered #FE420F ΔE 0.032
- Orange Red #FF4500 ΔE 0.037
- Blood Orange #FE4B03 ΔE 0.038
- Light Red #FF474C ΔE 0.038
- Tomato Red #EC2D01 ΔE 0.039
Use #EF4935 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.