#E6403B#E6403B

#E6403B is a mid, highly saturated red. Relative luminance 0.208; OKLCH L 61.7% C 0.204 H 26.9°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#E6403B
RGB	rgb(230, 64, 59)
HSL	hsl(2, 77%, 57%)
HSV	hsv(2, 74%, 90%)
CMYK	cmyk(0%, 72.2%, 74.3%, 9.8%)
CIE-LAB	lab(52.74, 62.97, 41.18)
CIE-LCH	lch(52.74, 75.23, 33.18°)
OKLab	oklab(61.69% 0.1816 0.092)
OKLCH	oklch(61.69% 0.204 26.9)
XYZ	xyz(35.2600, 20.8110, 6.2971)
Luminance	0.2081 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E6403B #3BE1E6

analogous

#E63B8C #E6403B #E6953B

triadic

#E6403B #3BE640 #403BE6

tetradic

#E6403B #8CE63B #3BE1E6 #953BE6

square

#E6403B #8CE63B #3BE1E6 #953BE6

split-complementary

#E6403B #3BE695 #3B8CE6

monochromatic

#941713 #CA1F1A #E6403B #ED7571 #F4AAA8

Accessibility & contrast

On white

4.07

#E6403B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#E6403B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E6403B

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E6403B	#FFFFFF	#000000	##000000
##E6403B	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#716739

Deuteranopia (green-blind)

#9A8B35

Tritanopia (blue-blind)

#FD0041

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #e6403b;
/* rgb */ color: rgb(230, 64, 59);
/* oklch */ color: oklch(61.7% 0.204 26.9);

Tailwind

colors: {
  custom: {
    50: '#f78072',
    500: '#e6403b',
    950: '#000000',
  },
}

SCSS

$custom: #e6403b;
$custom-light: #f78072;
$custom-dark: #000000;

JSON

{
  "hex": "#e6403b",
  "rgb": {
    "r": 230,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 1.754,
    "s": 77.376,
    "l": 56.667
  },
  "oklch": {
    "l": 0.61686,
    "c": 0.20359,
    "h": 26.9
  },
  "luminance": 0.20806
}

Semantic roles & 50–950 ramp

primary

#E6403B

secondary

#9BDFE1

accent

#EEF434

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#190B08

muted

#867C7B

Preview Lab

Preview with #E6403B

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

Preview Lab → · Contrast checker → · Palette generator →