#E7300C
Closest named color: Tomato Red (#EC2D01). oklch(60.2% 0.221 32.2), rgb(231, 48, 12).
Aa
Black text reads best on this color (4.82:1).
About this color
#E7300C is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.221 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.009 away. Black text reads best on it, at 4.82:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.221) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #E7300C |
| RGB | rgb(231, 48, 12) |
| HSL | hsl(10, 90%, 48%) |
| OKLCH | oklch(60.2% 0.221 32.2) |
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 #E7300C | 4.35:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #E7300C | 4.82:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #E7300C text on white | 4.35:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #E7300C text on black | 4.82:1 | AA | Lc -33.4 | 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FEE3DD
oklch(93.6% 0.031 32.6)
-
Step 200
200
#FECBC0
oklch(88.4% 0.06 32.3)
-
Step 300
300
#FEA694
oklch(80.8% 0.108 32.1)
-
Step 400
400
#F97057
oklch(70.6% 0.173 32.1)
-
Step 500
500 (this color)
#E7300C
oklch(60.2% 0.221 32.2)
-
Step 600
600
#D22500
oklch(55.6% 0.21 32.2)
-
Step 700
700
#B21E00
oklch(49.2% 0.185 32.2)
-
Step 800
800
#931700
oklch(42.7% 0.161 32.2)
-
Step 900
900
#7C1200
oklch(37.8% 0.142 32.3)
-
Step 950
950
#490E05
oklch(27% 0.09 32.2)
#E7300C 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) | #6D5F00 | 0.236 |
| Deuteranopia (no green cones) | #998700 | 0.210 |
| Tritanopia (no blue cones) | #FF002C | 0.054 |
| Achromatopsia (no color) | #797979 | 0.223 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E7300C
#E7300C
oklch(60.2% 0.221 32.2)
- #0091A5
#0091A5
oklch(60.3% 0.105 211.7)
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 #E7300C, closest first.
No curated palette has a color within ΔE 0.04 of #E7300C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.009
- Vermillion #F4320C ΔE 0.027
- Red Pantone #EF233C ΔE 0.040
- Imperial Red #E63946 ΔE 0.041
- Cherry Red #F7022A ΔE 0.043
- Deep Orange #DC4D01 ΔE 0.043
- Fire Engine Red #FE0002 ΔE 0.045
- Red #FF0000 ΔE 0.046
Use #E7300C 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.