#EF582D#EF582D

#EF582D is a light, vivid red. Relative luminance 0.255; OKLCH L 65.6% C 0.194 H 36.1°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#EF582D
RGB	rgb(239, 88, 45)
HSL	hsl(13, 86%, 56%)
HSV	hsv(13, 81%, 94%)
CMYK	cmyk(0%, 63.2%, 81.2%, 6.3%)
CIE-LAB	lab(57.58, 56.16, 53.73)
CIE-LCH	lch(57.58, 77.72, 43.73°)
OKLab	oklab(65.57% 0.157 0.1146)
OKLCH	oklch(65.57% 0.194 36.1)
XYZ	xyz(39.5645, 25.5254, 5.3257)
Luminance	0.2552 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF582D #2DC4EF

analogous

#EF2D63 #EF582D #EFB92D

triadic

#EF582D #2DEF58 #582DEF

tetradic

#EF582D #63EF2D #2DC4EF #B92DEF

square

#EF582D #63EF2D #2DC4EF #B92DEF

split-complementary

#EF582D #2DEFB9 #2D63EF

monochromatic

#962A0B #CF3A10 #EF582D #F38566 #F8B29F

Accessibility & contrast

On white

3.44

#EF582D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#EF582D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF582D

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF582D	#FFFFFF	#000000	##000000
##EF582D	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#837526

Deuteranopia (green-blind)

#A99726

Tritanopia (blue-blind)

#FF2E50

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #ef582d;
/* rgb */ color: rgb(239, 88, 45);
/* oklch */ color: oklch(65.6% 0.194 36.1);

Tailwind

colors: {
  custom: {
    50: '#fe8d6a',
    500: '#ef582d',
    950: '#000000',
  },
}

SCSS

$custom: #ef582d;
$custom-light: #fe8d6a;
$custom-dark: #000000;

JSON

{
  "hex": "#ef582d",
  "rgb": {
    "r": 239,
    "g": 88,
    "b": 45
  },
  "hsl": {
    "h": 13.299,
    "s": 85.841,
    "l": 55.686
  },
  "oklch": {
    "l": 0.65565,
    "c": 0.19436,
    "h": 36.1
  },
  "luminance": 0.2552
}

Semantic roles & 50–950 ramp

primary

#EF582D

secondary

#94D2E4

accent

#CEFC2C

background

#FFF9F6

surface

#FFF1EB

border

#D7CBC6

text

#1A0D07

muted

#877E7A

Preview Lab

Preview with #EF582D

Body copy rendered with the generated semantic roles for this colour.

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