#EF4745
Closest named color: Imperial Red (#E63946). oklch(64% 0.205 25.7), rgb(239, 71, 69).
Aa
Black text reads best on this color (5.65:1).
About this color
#EF4745 is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.205 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.030 away. Black text reads best on it, at 5.65:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.205) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.65:1 |
| White text | 3.71:1 |
Values
| HEX | #EF4745 |
| RGB | rgb(239, 71, 69) |
| HSL | hsl(1, 84%, 60%) |
| OKLCH | oklch(64% 0.205 25.7) |
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 #EF4745 | 3.71:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #EF4745 | 5.65:1 | AA | Lc 40.7 | Non-text elements, placeholder text |
| #EF4745 text on white | 3.71:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #EF4745 text on black | 5.65:1 | AA | Lc -38.3 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FCCCC6
oklch(88.5% 0.055 26.5)
-
Step 300
300
#FBA79F
oklch(80.9% 0.101 25.5)
-
Step 400
400
#F4736B
oklch(70.7% 0.16 25.6)
-
Step 500
500 (this color)
#EF4745
oklch(64% 0.205 25.7)
-
Step 600
600
#D70821
oklch(55.5% 0.223 25.7)
-
Step 700
700
#B70019
oklch(49.1% 0.199 25.7)
-
Step 800
800
#970314
oklch(42.7% 0.172 25.6)
-
Step 900
900
#791618
oklch(37.7% 0.133 25.6)
-
Step 950
950
#47100F
oklch(26.9% 0.084 25.7)
#EF4745 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) | #776D43 | 0.221 |
| Deuteranopia (no green cones) | #A1923F | 0.203 |
| Tritanopia (no blue cones) | #FF0049 | 0.057 |
| Achromatopsia (no color) | #858585 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF4745
#EF4745
oklch(64% 0.205 25.7)
- #009EAC
#009EAC
oklch(63.8% 0.109 205.9)
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 #EF4745, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.030
- Light Red #FF474C ΔE 0.032
- Orangey Red #FA4224 ΔE 0.032
- Watermelon #FD4659 ΔE 0.035
- Strawberry #FB2943 ΔE 0.036
- Vermillion #F4320C ΔE 0.038
- Pinky Red #FC2647 ΔE 0.040
- Red Pantone #EF233C ΔE 0.040
Use #EF4745 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.