#EC5B23
Closest named color: Orange Pant (#FB5607). oklch(65.4% 0.191 39.2), rgb(236, 91, 35).
Aa
Black text reads best on this color (6.08:1).
About this color
#EC5B23 is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.191 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Pant (#FB5607), ΔE 0.028 away. Black text reads best on it, at 6.08:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.191) |
| Temperature | warm |
| Nearest name | Orange Pant (#FB5607) |
| Black text | 6.08:1 |
| White text | 3.44:1 |
Values
| HEX | #EC5B23 |
| RGB | rgb(236, 91, 35) |
| HSL | hsl(17, 84%, 53%) |
| OKLCH | oklch(65.4% 0.191 39.2) |
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 #EC5B23 | 3.44:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #EC5B23 | 6.08:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #EC5B23 text on white | 3.44:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #EC5B23 text on black | 6.08:1 | AA | Lc -40.6 | 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 500.
-
Step 50
50
#FDF3EF
oklch(97.1% 0.012 43.3)
-
Step 100
100
#FBE4DD
oklch(93.6% 0.027 37.6)
-
Step 200
200
#F9CEC0
oklch(88.5% 0.053 38.8)
-
Step 300
300
#F5AC94
oklch(80.8% 0.093 39)
-
Step 400
400
#ED7C56
oklch(70.7% 0.149 39.1)
-
Step 500
500 (this color)
#EC5B23
oklch(65.4% 0.191 39.2)
-
Step 600
600
#C44100
oklch(55.6% 0.177 39.3)
-
Step 700
700
#A63500
oklch(49.1% 0.157 39.1)
-
Step 800
800
#892A00
oklch(42.6% 0.137 39)
-
Step 900
900
#732200
oklch(37.6% 0.12 39.1)
-
Step 950
950
#451504
oklch(27.1% 0.079 39.3)
#EC5B23 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) | #857618 | 0.189 |
| Deuteranopia (no green cones) | #A9961B | 0.171 |
| Tritanopia (no blue cones) | #FF3451 | 0.083 |
| Achromatopsia (no color) | #8A8A8A | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC5B23
#EC5B23
oklch(65.4% 0.191 39.2)
- #00A1C1
#00A1C1
oklch(65.5% 0.118 218.7)
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 #EC5B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Pant #FB5607 ΔE 0.028
- Blood Orange #FE4B03 ΔE 0.036
- Bright Orange #FF5B00 ΔE 0.036
- Orange Red #FF4500 ΔE 0.042
- Orangey Red #FA4224 ΔE 0.043
- Orangered #FE420F ΔE 0.043
- Deep Orange #DC4D01 ΔE 0.044
- Burnt Sienna #E76F51 ΔE 0.044
Use #EC5B23 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.