#EF2023#EF2023

#EF2023 is a mid, highly saturated red. Relative luminance 0.195; OKLCH L 60.8% C 0.235 H 27.5°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#EF2023
RGB	rgb(239, 32, 35)
HSL	hsl(359, 87%, 53%)
HSV	hsv(359, 87%, 94%)
CMYK	cmyk(0%, 86.6%, 85.4%, 6.3%)
CIE-LAB	lab(51.28, 73.17, 52.79)
CIE-LCH	lch(51.28, 90.22, 35.81°)
OKLab	oklab(60.83% 0.2082 0.1085)
OKLCH	oklch(60.83% 0.235 27.5)
XYZ	xyz(36.4212, 19.5113, 3.4382)
Luminance	0.1951 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF2023 #20EFEC

analogous

#EF208B #EF2023 #EF8420

triadic

#EF2023 #23EF20 #2023EF

tetradic

#EF2023 #8BEF20 #20EFEC #8420EF

square

#EF2023 #8BEF20 #20EFEC #8420EF

split-complementary

#EF2023 #20EF84 #208BEF

monochromatic

#8B0A0C #C40E11 #EF2023 #F3595B #F79294

Accessibility & contrast

On white

4.28

#EF2023 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#EF2023 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF2023

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF2023	#FFFFFF	#000000	##000000
##EF2023	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A5E1F

Deuteranopia (green-blind)

#9B8A13

Tritanopia (blue-blind)

#FF0026

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #ef2023;
/* rgb */ color: rgb(239, 32, 35);
/* oklch */ color: oklch(60.8% 0.235 27.5);

Tailwind

colors: {
  custom: {
    50: '#ff7661',
    500: '#ef2023',
    950: '#000000',
  },
}

SCSS

$custom: #ef2023;
$custom-light: #ff7661;
$custom-dark: #000000;

JSON

{
  "hex": "#ef2023",
  "rgb": {
    "r": 239,
    "g": 32,
    "b": 35
  },
  "hsl": {
    "h": 359.13,
    "s": 86.611,
    "l": 53.137
  },
  "oklch": {
    "l": 0.60834,
    "c": 0.23479,
    "h": 27.5
  },
  "luminance": 0.19505
}

Semantic roles & 50–950 ramp

primary

#EF2023

secondary

#89E2E1

accent

#FDFA2B

background

#FFF7F5

surface

#FFEEEA

border

#D7C9C6

text

#1B0A05

muted

#887C79

Preview Lab

Preview with #EF2023

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

Preview Lab → · Contrast checker → · Palette generator →