#E45C31
Closest named color: Deep Orange (#DC4D01). oklch(64.4% 0.179 37.5), rgb(228, 92, 49).
Aa
Black text reads best on this color (5.87:1).
About this color
#E45C31 is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.179 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.037 away. Black text reads best on it, at 5.87:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.87:1 |
| White text | 3.57:1 |
Values
| HEX | #E45C31 |
| RGB | rgb(228, 92, 49) |
| HSL | hsl(14, 77%, 54%) |
| OKLCH | oklch(64.4% 0.179 37.5) |
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 #E45C31 | 3.57:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #E45C31 | 5.87:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #E45C31 text on white | 3.57:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #E45C31 text on black | 5.87:1 | AA | Lc -39.2 | 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
#FAE5DE
oklch(93.7% 0.025 39.4)
-
Step 200
200
#F7CFC3
oklch(88.5% 0.048 37.3)
-
Step 300
300
#F3AD98
oklch(80.9% 0.088 37.4)
-
Step 400
400
#E97E5E
oklch(70.6% 0.14 37.5)
-
Step 500
500 (this color)
#E45C31
oklch(64.4% 0.179 37.5)
-
Step 600
600
#C73C00
oklch(55.6% 0.184 37.5)
-
Step 700
700
#A83100
oklch(49% 0.162 37.4)
-
Step 800
800
#8B2700
oklch(42.7% 0.141 37.5)
-
Step 900
900
#722308
oklch(37.6% 0.117 37.3)
-
Step 950
950
#431608
oklch(26.9% 0.074 37.5)
#E45C31 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) | #82742B | 0.179 |
| Deuteranopia (no green cones) | #A4932C | 0.163 |
| Tritanopia (no blue cones) | #FB3B53 | 0.077 |
| Achromatopsia (no color) | #878787 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E45C31
#E45C31
oklch(64.4% 0.179 37.5)
- #009EBB
#009EBB
oklch(64.5% 0.115 217)
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 #E45C31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.037
- Burnt Sienna #E76F51 ΔE 0.042
- Pale Red #D9544D ΔE 0.043
- Orange Pant #FB5607 ΔE 0.043
- Chocolate #D2691E ΔE 0.045
- Pastel Red #DB5856 ΔE 0.045
- Terracota #CB6843 ΔE 0.047
- Terracotta #CA6641 ΔE 0.048
Use #E45C31 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.