#E45333
Closest named color: Deep Orange (#DC4D01). oklch(63.3% 0.186 34), rgb(228, 83, 51).
Aa
Black text reads best on this color (5.58:1).
About this color
#E45333 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.186 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.031 away. Black text reads best on it, at 5.58:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.186) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.58:1 |
| White text | 3.76:1 |
Values
| HEX | #E45333 |
| RGB | rgb(228, 83, 51) |
| HSL | hsl(11, 77%, 55%) |
| OKLCH | oklch(63.3% 0.186 34) |
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 #E45333 | 3.76:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #E45333 | 5.58:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #E45333 text on white | 3.76:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #E45333 text on black | 5.58:1 | AA | Lc -37.5 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FBE4DE
oklch(93.6% 0.027 35)
-
Step 200
200
#F9CEC3
oklch(88.5% 0.051 34.7)
-
Step 300
300
#F5AB9A
oklch(80.8% 0.091 33.4)
-
Step 400
400
#ED7B61
oklch(70.7% 0.146 34)
-
Step 500
500 (this color)
#E45333
oklch(63.3% 0.186 34)
-
Step 600
600
#CE2F00
oklch(55.6% 0.2 34)
-
Step 700
700
#AE2600
oklch(49% 0.177 33.9)
-
Step 800
800
#901E00
oklch(42.7% 0.153 34)
-
Step 900
900
#74200D
oklch(37.6% 0.121 33.9)
-
Step 950
950
#45140A
oklch(27% 0.078 33.4)
#E45333 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) | #7C6F2E | 0.192 |
| Deuteranopia (no green cones) | #A0902D | 0.176 |
| Tritanopia (no blue cones) | #FB2B4D | 0.073 |
| Achromatopsia (no color) | #848484 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E45333
#E45333
oklch(63.3% 0.186 34)
- #009BB3
#009BB3
oklch(63.4% 0.111 213.8)
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 #E45333, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.031
- Pale Red #D9544D ΔE 0.032
- Pastel Red #DB5856 ΔE 0.037
- Orangey Red #FA4224 ΔE 0.042
- Vermillion #F4320C ΔE 0.046
- Tomato Red #EC2D01 ΔE 0.048
- Dark Coral #CF524E ΔE 0.049
- Orange Pant #FB5607 ΔE 0.049
Use #E45333 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.