#EC453F
Closest named color: Imperial Red (#E63946). oklch(63.2% 0.205 26.9), rgb(236, 69, 63).
Aa
Black text reads best on this color (5.48:1).
About this color
#EC453F is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.205 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.026 away. Black text reads best on it, at 5.48:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.205) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.48:1 |
| White text | 3.82:1 |
Values
| HEX | #EC453F |
| RGB | rgb(236, 69, 63) |
| HSL | hsl(2, 82%, 59%) |
| OKLCH | oklch(63.2% 0.205 26.9) |
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 #EC453F | 3.82:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #EC453F | 5.48:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #EC453F text on white | 3.82:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #EC453F text on black | 5.48:1 | AA | Lc -37.2 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FCCCC6
oklch(88.5% 0.055 26.5)
-
Step 300
300
#FBA89E
oklch(81% 0.1 27)
-
Step 400
400
#F47468
oklch(70.8% 0.16 27.3)
-
Step 500
500 (this color)
#EC453F
oklch(63.2% 0.205 26.9)
-
Step 600
600
#D70C1B
oklch(55.6% 0.222 26.9)
-
Step 700
700
#B70012
oklch(49% 0.2 27)
-
Step 800
800
#97050F
oklch(42.7% 0.171 27)
-
Step 900
900
#791615
oklch(37.7% 0.134 26.9)
-
Step 950
950
#47100E
oklch(26.9% 0.084 26.6)
#EC453F 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) | #766B3D | 0.219 |
| Deuteranopia (no green cones) | #9F9039 | 0.202 |
| Tritanopia (no blue cones) | #FF0045 | 0.057 |
| Achromatopsia (no color) | #828282 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC453F
#EC453F
oklch(63.2% 0.205 26.9)
- #009CAB
#009CAB
oklch(63.3% 0.108 206.8)
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 #EC453F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.026
- Orangey Red #FA4224 ΔE 0.033
- Vermillion #F4320C ΔE 0.034
- Red Pantone #EF233C ΔE 0.037
- Pale Red #D9544D ΔE 0.038
- Strawberry #FB2943 ΔE 0.038
- Tomato Red #EC2D01 ΔE 0.039
- Light Red #FF474C ΔE 0.040
Use #EC453F 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.