#E7000B
Closest named color: Tomato Red (#EC2D01). oklch(58.3% 0.239 28.5), rgb(231, 0, 11).
Aa
White text reads best on this color (4.76:1).
About this color
#E7000B is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.239 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.032 away. White text reads best on it, at 4.76:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.239) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.40:1 |
| White text | 4.76:1 |
Values
| HEX | #E7000B |
| RGB | rgb(231, 0, 11) |
| HSL | hsl(357, 100%, 45%) |
| OKLCH | oklch(58.3% 0.239 28.5) |
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 #E7000B | 4.76:1 | AA | Lc -75.6 | Fine for body text |
| Black text on #E7000B | 4.40:1 | AA large text | Lc 34.0 | Non-text elements, placeholder text |
| #E7000B text on white | 4.76:1 | AA | Lc 70.1 | Content text, not long reading |
| #E7000B text on black | 4.40:1 | AA large text | Lc -31.6 | 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 600.
-
Step 50
50
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DE
oklch(93.6% 0.031 30.2)
-
Step 200
200
#FECBC3
oklch(88.5% 0.059 28.6)
-
Step 300
300
#FEA699
oklch(80.9% 0.107 28.8)
-
Step 400
400
#F96F60
oklch(70.6% 0.172 28.4)
-
Step 500
500
#F13B31
oklch(63% 0.219 28.4)
-
Step 600
600 (this color)
#E7000B
oklch(58.3% 0.239 28.5)
-
Step 700
700
#B80007
oklch(49.2% 0.201 28.4)
-
Step 800
800
#980004
oklch(42.7% 0.175 28.5)
-
Step 900
900
#7C0E0C
oklch(37.6% 0.143 28.2)
-
Step 950
950
#490D09
oklch(26.9% 0.091 28.6)
#E7000B 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) | #625501 | 0.262 |
| Deuteranopia (no green cones) | #938200 | 0.233 |
| Tritanopia (no blue cones) | #FF000F | 0.049 |
| Achromatopsia (no color) | #737373 | 0.240 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E7000B
#E7000B
oklch(58.3% 0.239 28.5)
- #008B9B
#008B9B
oklch(58.3% 0.1 209)
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 #E7000B, closest first.
No curated palette has a color within ΔE 0.04 of #E7000B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.032
- Cherry Red #F7022A ΔE 0.037
- Red Pantone #EF233C ΔE 0.039
- Crimson #DC143C ΔE 0.039
- Vermillion #F4320C ΔE 0.047
- Fire Engine Red #FE0002 ΔE 0.047
- Imperial Red #E63946 ΔE 0.049
- Red #FF0000 ΔE 0.049
Use #E7000B 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.