#EC003F
Closest named color: Red Pantone (#EF233C). oklch(59.7% 0.24 19.7), rgb(236, 0, 63).
Aa
Black text reads best on this color (4.63:1).
About this color
#EC003F is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.240 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Red Pantone (#EF233C), ΔE 0.021 away. Black text reads best on it, at 4.63:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.240) |
| Temperature | warm |
| Nearest name | Red Pantone (#EF233C) |
| Black text | 4.63:1 |
| White text | 4.52:1 |
Values
| HEX | #EC003F |
| RGB | rgb(236, 0, 63) |
| HSL | hsl(344, 100%, 46%) |
| OKLCH | oklch(59.7% 0.24 19.7) |
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 #EC003F | 4.52:1 | AA | Lc -74.0 | Content text, not long reading |
| Black text on #EC003F | 4.63:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #EC003F text on white | 4.52:1 | AA | Lc 68.5 | Content text, not long reading |
| #EC003F text on black | 4.63:1 | AA | Lc -33.1 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FFE2E1
oklch(93.6% 0.032 20.1)
-
Step 200
200
#FFCAC9
oklch(88.5% 0.06 19.6)
-
Step 300
300
#FFA4A4
oklch(80.9% 0.108 19.7)
-
Step 400
400
#FF6770
oklch(70.8% 0.185 19.7)
-
Step 500
500 (this color)
#EC003F
oklch(59.7% 0.24 19.7)
-
Step 600
600
#D70038
oklch(55.6% 0.223 19.8)
-
Step 700
700
#B6002E
oklch(49.1% 0.197 19.8)
-
Step 800
800
#970025
oklch(42.8% 0.172 19.6)
-
Step 900
900
#7F001D
oklch(37.7% 0.152 19.9)
-
Step 950
950
#4C0611
oklch(27% 0.1 19.6)
#EC003F 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) | #60593F | 0.268 |
| Deuteranopia (no green cones) | #948637 | 0.243 |
| Tritanopia (no blue cones) | #FF0026 | 0.045 |
| Achromatopsia (no color) | #767676 | 0.242 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EC003F
#EC003F
oklch(59.7% 0.24 19.7)
- #009197
#009197
oklch(59.7% 0.101 200)
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 #EC003F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Pantone #EF233C ΔE 0.021
- Pink Red #F5054F ΔE 0.025
- Cherry Red #F7022A ΔE 0.031
- Crimson #DC143C ΔE 0.031
- Imperial Red #E63946 ΔE 0.036
- Neon Red #FF073A ΔE 0.040
- Pinky Red #FC2647 ΔE 0.042
- Strawberry #FB2943 ΔE 0.042
Use #EC003F 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.