#E42B2A
Closest named color: Tomato Red (#EC2D01). oklch(59.5% 0.219 27.3), rgb(228, 43, 42).
Aa
Black text reads best on this color (4.67:1).
About this color
#E42B2A is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.219 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.026 away. Black text reads best on it, at 4.67:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.219) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.67:1 |
| White text | 4.48:1 |
Values
| HEX | #E42B2A |
| RGB | rgb(228, 43, 42) |
| HSL | hsl(0, 78%, 53%) |
| OKLCH | oklch(59.5% 0.219 27.3) |
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 #E42B2A | 4.48:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #E42B2A | 4.67:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #E42B2A text on white | 4.48:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #E42B2A text on black | 4.67:1 | AA | Lc -32.4 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DF
oklch(93.7% 0.03 27.8)
-
Step 200
200
#FECBC4
oklch(88.5% 0.059 27.4)
-
Step 300
300
#FEA69B
oklch(80.9% 0.106 27.4)
-
Step 400
400
#F96F63
oklch(70.7% 0.172 27.3)
-
Step 500
500 (this color)
#E42B2A
oklch(59.5% 0.219 27.3)
-
Step 600
600
#D90015
oklch(55.7% 0.227 27.3)
-
Step 700
700
#B70010
oklch(49% 0.2 27.3)
-
Step 800
800
#98000B
oklch(42.7% 0.174 27.3)
-
Step 900
900
#7C0E0F
oklch(37.6% 0.143 27.3)
-
Step 950
950
#490D0B
oklch(26.9% 0.09 27.2)
#E42B2A 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) | #685D27 | 0.238 |
| Deuteranopia (no green cones) | #958520 | 0.216 |
| Tritanopia (no blue cones) | #FB002E | 0.045 |
| Achromatopsia (no color) | #777777 | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E42B2A
#E42B2A
oklch(59.5% 0.219 27.3)
- #008F9E
#008F9E
oklch(59.4% 0.102 207.8)
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 #E42B2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.026
- Imperial Red #E63946 ΔE 0.028
- Red Pantone #EF233C ΔE 0.028
- Crimson #DC143C ΔE 0.037
- Cherry Red #F7022A ΔE 0.037
- Vermillion #F4320C ΔE 0.039
- Faded Red #D3494E ΔE 0.049
- Fire Engine Red #FE0002 ΔE 0.050
Use #E42B2A 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.