#E3750A
Closest named color: Pumpkin (#E17701). oklch(67.6% 0.167 54.2), rgb(227, 117, 10).
Aa
Black text reads best on this color (6.81:1).
About this color
#E3750A is a medium-light, vivid orange. In OKLCH its lightness is 68%, its chroma 0.167 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Pumpkin (#E17701), ΔE 0.006 away. Black text reads best on it, at 6.81:1.
| Hue family | Oranges |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.167) |
| Temperature | warm |
| Nearest name | Pumpkin (#E17701) |
| Black text | 6.81:1 |
| White text | 3.08:1 |
Values
| HEX | #E3750A |
| RGB | rgb(227, 117, 10) |
| HSL | hsl(30, 92%, 46%) |
| OKLCH | oklch(67.6% 0.167 54.2) |
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 #E3750A | 3.08:1 | AA large text | Lc -62.5 | Content text, not long reading |
| Black text on #E3750A | 6.81:1 | AA | Lc 46.9 | Large or bold text, headings |
| #E3750A text on white | 3.08:1 | AA large text | Lc 57.1 | Large or bold text, headings |
| #E3750A text on black | 6.81:1 | AA | Lc -44.6 | 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 400.
-
Step 50
50
#FDF3ED
oklch(97% 0.013 53.4)
-
Step 100
100
#FBE5D7
oklch(93.6% 0.031 54.7)
-
Step 200
200
#F9D0B6
oklch(88.6% 0.058 54.2)
-
Step 300
300
#F6AE7F
oklch(80.9% 0.105 53.8)
-
Step 400
400 (this color)
#E3750A
oklch(67.6% 0.167 54.2)
-
Step 500
500
#D06900
oklch(63.1% 0.158 53.9)
-
Step 600
600
#AF5800
oklch(55.6% 0.139 54.3)
-
Step 700
700
#944900
oklch(49% 0.123 54)
-
Step 800
800
#7A3B00
oklch(42.6% 0.107 54)
-
Step 900
900
#673100
oklch(37.8% 0.095 54.2)
-
Step 950
950
#3F1B00
oklch(27% 0.068 53.5)
#E3750A 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) | #968300 | 0.136 |
| Deuteranopia (no green cones) | #B09D05 | 0.125 |
| Tritanopia (no blue cones) | #F95B64 | 0.107 |
| Achromatopsia (no color) | #939393 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3750A
#E3750A
oklch(67.6% 0.167 54.2)
- #00A4E1
#00A4E1
oklch(67.7% 0.142 234.1)
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 #E3750A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pumpkin #E17701 ΔE 0.006
- Dull Orange #D8863B ΔE 0.040
- Dusty Orange #F0833A ΔE 0.044
- Orange Wheel #F77F00 ΔE 0.045
- Chocolate #D2691E ΔE 0.045
- Peru #CD853F ΔE 0.048
- Pumpkin Orange #FB7D07 ΔE 0.049
- Browny Orange #CA6B02 ΔE 0.054
Use #E3750A 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.