#237AA0#237AA0

#237AA0 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.7% C 0.099 H 231.9°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#237AA0
RGB	rgb(35, 122, 160)
HSL	hsl(198, 64%, 38%)
HSV	hsv(198, 78%, 63%)
CMYK	cmyk(78.1%, 23.7%, 0%, 37.3%)
CIE-LAB	lab(48.02, -11.93, -27.60)
CIE-LCH	lch(48.02, 30.07, 246.62°)
OKLab	oklab(54.67% -0.0608 -0.0777)
OKLCH	oklch(54.67% 0.099 231.9)
XYZ	xyz(13.9953, 16.8128, 35.7585)
Luminance	0.1681 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237AA0 #A04923

analogous

#23A087 #237AA0 #233BA0

triadic

#237AA0 #A0237A #7AA023

tetradic

#237AA0 #8723A0 #A04923 #3BA023

square

#237AA0 #8723A0 #A04923 #3BA023

split-complementary

#237AA0 #A0233B #A08723

monochromatic

#0D2D3C #18546E #237AA0 #2FA0D1 #61B7DC

Accessibility & contrast

On white

4.81

#237AA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#237AA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237AA0

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237AA0	#FFFFFF	#000000	##FFFFFF
##237AA0	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6779A2

Deuteranopia (green-blind)

#566D9F

Tritanopia (blue-blind)

#008487

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #237aa0;
/* rgb */ color: rgb(35, 122, 160);
/* oklch */ color: oklch(54.7% 0.099 231.9);

Tailwind

colors: {
  custom: {
    50: '#72a0bc',
    500: '#237aa0',
    950: '#000000',
  },
}

SCSS

$custom: #237aa0;
$custom-light: #72a0bc;
$custom-dark: #000000;

JSON

{
  "hex": "#237aa0",
  "rgb": {
    "r": 35,
    "g": 122,
    "b": 160
  },
  "hsl": {
    "h": 198.24,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.54667,
    "c": 0.09869,
    "h": 231.9
  },
  "luminance": 0.16814
}

Semantic roles & 50–950 ramp

primary

#237AA0

secondary

#C17C5D

accent

#7341E7

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #237AA0

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

Preview Lab → · Contrast checker → · Palette generator →