#E7533B
Closest named color: Pale Red (#D9544D). oklch(63.8% 0.188 31.7), rgb(231, 83, 59).
Aa
Black text reads best on this color (5.69:1).
About this color
#E7533B is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.188 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Pale Red (#D9544D), ΔE 0.032 away. Black text reads best on it, at 5.69:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.188) |
| Temperature | warm |
| Nearest name | Pale Red (#D9544D) |
| Black text | 5.69:1 |
| White text | 3.68:1 |
Values
| HEX | #E7533B |
| RGB | rgb(231, 83, 59) |
| HSL | hsl(8, 78%, 57%) |
| OKLCH | oklch(63.8% 0.188 31.7) |
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 #E7533B | 3.68:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #E7533B | 5.69:1 | AA | Lc 40.7 | Non-text elements, placeholder text |
| #E7533B text on white | 3.68:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #E7533B text on black | 5.69:1 | AA | Lc -38.3 | 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
#F9CEC5
oklch(88.6% 0.05 31.8)
-
Step 300
300
#F6AB9C
oklch(80.9% 0.092 31.7)
-
Step 400
400
#EE7A65
oklch(70.8% 0.147 31.6)
-
Step 500
500 (this color)
#E7533B
oklch(63.8% 0.188 31.7)
-
Step 600
600
#D02A0E
oklch(55.6% 0.204 31.7)
-
Step 700
700
#B31B00
oklch(49.2% 0.188 31.7)
-
Step 800
800
#921A06
oklch(42.8% 0.157 31.8)
-
Step 900
900
#751F11
oklch(37.8% 0.122 31.9)
-
Step 950
950
#45140C
oklch(27% 0.077 31.7)
#E7533B 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) | #7D7137 | 0.195 |
| Deuteranopia (no green cones) | #A19136 | 0.179 |
| Tritanopia (no blue cones) | #FE2B4E | 0.068 |
| Achromatopsia (no color) | #858585 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E7533B
#E7533B
oklch(63.8% 0.188 31.7)
- #009DB2
#009DB2
oklch(63.8% 0.111 211.3)
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 #E7533B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Red #D9544D ΔE 0.032
- Pastel Red #DB5856 ΔE 0.034
- Orangey Red #FA4224 ΔE 0.038
- Deep Orange #DC4D01 ΔE 0.040
- Vermillion #F4320C ΔE 0.045
- Orangered #FE420F ΔE 0.046
- Imperial Red #E63946 ΔE 0.047
- Red Orange #FD3C06 ΔE 0.047
Use #E7533B 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.