#237AD5#237AD5

#237AD5 is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.7% C 0.161 H 253.5°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#237AD5
RGB	rgb(35, 122, 213)
HSL	hsl(211, 72%, 49%)
HSV	hsv(211, 84%, 84%)
CMYK	cmyk(83.6%, 42.7%, 0%, 16.5%)
CIE-LAB	lab(50.78, 7.85, -53.77)
CIE-LCH	lch(50.78, 54.34, 278.31°)
OKLab	oklab(57.74% -0.0456 -0.1541)
OKLCH	oklch(57.74% 0.161 253.5)
XYZ	xyz(19.6584, 19.0780, 65.5842)
Luminance	0.1908 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237AD5 #D57E23

analogous

#23D3D5 #237AD5 #2523D5

triadic

#237AD5 #D5237A #7AD523

tetradic

#237AD5 #D523D3 #D57E23 #23D525

square

#237AD5 #D523D3 #D57E23 #23D525

split-complementary

#237AD5 #D52523 #D3D523

monochromatic

#123E6C #1A5CA0 #237AD5 #5399E3 #87B8EB

Accessibility & contrast

On white

4.36

#237AD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#237AD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237AD5

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237AD5	#FFFFFF	#000000	##000000
##237AD5	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B81D9

Deuteranopia (green-blind)

#2972D3

Tritanopia (blue-blind)

#00909D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #237ad5;
/* rgb */ color: rgb(35, 122, 213);
/* oklch */ color: oklch(57.7% 0.161 253.5);

Tailwind

colors: {
  custom: {
    50: '#7c9fe2',
    500: '#237ad5',
    950: '#000000',
  },
}

SCSS

$custom: #237ad5;
$custom-light: #7c9fe2;
$custom-dark: #000000;

JSON

{
  "hex": "#237ad5",
  "rgb": {
    "r": 35,
    "g": 122,
    "b": 213
  },
  "hsl": {
    "h": 210.674,
    "s": 71.774,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57736,
    "c": 0.16075,
    "h": 253.5
  },
  "luminance": 0.1908
}

Semantic roles & 50–950 ramp

primary

#237AD5

secondary

#D5AB7F

accent

#9639EF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #237AD5

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

Preview Lab → · Contrast checker → · Palette generator →