#237EA7#237EA7

#237EA7 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.0% C 0.103 H 233.0°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#237EA7
RGB	rgb(35, 126, 167)
HSL	hsl(199, 65%, 40%)
HSV	hsv(199, 79%, 65%)
CMYK	cmyk(79%, 24.6%, 0%, 34.5%)
CIE-LAB	lab(49.58, -11.70, -29.26)
CIE-LCH	lch(49.58, 31.52, 248.20°)
OKLab	oklab(56.01% -0.0622 -0.0825)
OKLCH	oklch(56.01% 0.103 233)
XYZ	xyz(15.1262, 18.0672, 39.2418)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237EA7 #A74C23

analogous

#23A78E #237EA7 #233CA7

triadic

#237EA7 #A7237E #7EA723

tetradic

#237EA7 #8E23A7 #A74C23 #3CA723

square

#237EA7 #8E23A7 #A74C23 #3CA723

split-complementary

#237EA7 #A7233C #A78E23

monochromatic

#0E3242 #185874 #237EA7 #33A2D4 #66B9DF

Accessibility & contrast

On white

4.55

#237EA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#237EA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237EA7

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237EA7	#FFFFFF	#000000	##000000
##237EA7	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7DA9

Deuteranopia (green-blind)

#5870A6

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #237ea7;
/* rgb */ color: rgb(35, 126, 167);
/* oklch */ color: oklch(56.0% 0.103 233.0);

Tailwind

colors: {
  custom: {
    50: '#73a3c1',
    500: '#237ea7',
    950: '#000000',
  },
}

SCSS

$custom: #237ea7;
$custom-light: #73a3c1;
$custom-dark: #000000;

JSON

{
  "hex": "#237ea7",
  "rgb": {
    "r": 35,
    "g": 126,
    "b": 167
  },
  "hsl": {
    "h": 198.636,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.5601,
    "c": 0.1033,
    "h": 233
  },
  "luminance": 0.18069
}

Semantic roles & 50–950 ramp

primary

#237EA7

secondary

#C48061

accent

#743FE8

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #237EA7

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

Preview Lab → · Contrast checker → · Palette generator →