#E54F33
Closest named color: Deep Orange (#DC4D01). oklch(63% 0.191 32.7), rgb(229, 79, 51).
Aa
Black text reads best on this color (5.49:1).
About this color
#E54F33 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.191 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.032 away. Black text reads best on it, at 5.49:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.191) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.49:1 |
| White text | 3.81:1 |
Values
| HEX | #E54F33 |
| RGB | rgb(229, 79, 51) |
| HSL | hsl(9, 77%, 55%) |
| OKLCH | oklch(63% 0.191 32.7) |
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 #E54F33 | 3.81:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #E54F33 | 5.49:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #E54F33 text on white | 3.81:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #E54F33 text on black | 5.49:1 | AA | Lc -37.0 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CDC4
oklch(88.4% 0.052 31.6)
-
Step 300
300
#F7AB9A
oklch(81% 0.093 33.1)
-
Step 400
400
#EF7962
oklch(70.7% 0.15 32.4)
-
Step 500
500 (this color)
#E54F33
oklch(63% 0.191 32.7)
-
Step 600
600
#D12800
oklch(55.6% 0.207 32.6)
-
Step 700
700
#B12100
oklch(49.2% 0.183 32.8)
-
Step 800
800
#921900
oklch(42.7% 0.159 32.7)
-
Step 900
900
#761E0D
oklch(37.8% 0.125 32.9)
-
Step 950
950
#45130A
oklch(26.9% 0.079 32.4)
#E54F33 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) | #7A6E2F | 0.198 |
| Deuteranopia (no green cones) | #9F8F2D | 0.182 |
| Tritanopia (no blue cones) | #FC224A | 0.071 |
| Achromatopsia (no color) | #828282 | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E54F33
#E54F33
oklch(63% 0.191 32.7)
- #009AB0
#009AB0
oklch(63% 0.11 212.4)
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 #E54F33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.032
- Pale Red #D9544D ΔE 0.032
- Pastel Red #DB5856 ΔE 0.037
- Orangey Red #FA4224 ΔE 0.039
- Vermillion #F4320C ΔE 0.041
- Tomato Red #EC2D01 ΔE 0.043
- Imperial Red #E63946 ΔE 0.044
- Red Orange #FD3C06 ΔE 0.047
Use #E54F33 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.