#237BA0#237BA0

#237BA0 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 54.9% C 0.098 H 231.0°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#237BA0
RGB	rgb(35, 123, 160)
HSL	hsl(198, 64%, 38%)
HSV	hsv(198, 78%, 63%)
CMYK	cmyk(78.1%, 23.1%, 0%, 37.3%)
CIE-LAB	lab(48.34, -12.50, -27.12)
CIE-LCH	lch(48.34, 29.86, 245.25°)
OKLab	oklab(54.92% -0.0618 -0.0763)
OKLCH	oklch(54.92% 0.098 231)
XYZ	xyz(14.1187, 17.0596, 35.7996)
Luminance	0.1706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237BA0 #A04823

analogous

#23A086 #237BA0 #233CA0

triadic

#237BA0 #A0237B #7BA023

tetradic

#237BA0 #8623A0 #A04823 #3CA023

square

#237BA0 #8623A0 #A04823 #3CA023

split-complementary

#237BA0 #A0233C #A08623

monochromatic

#0D2E3C #18546E #237BA0 #2FA1D1 #61B8DC

Accessibility & contrast

On white

4.76

#237BA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#237BA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237BA0

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237BA0	#FFFFFF	#000000	##FFFFFF
##237BA0	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6879A2

Deuteranopia (green-blind)

#586E9F

Tritanopia (blue-blind)

#008587

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #237ba0;
/* rgb */ color: rgb(35, 123, 160);
/* oklch */ color: oklch(54.9% 0.098 231.0);

Tailwind

colors: {
  custom: {
    50: '#72a1bc',
    500: '#237ba0',
    950: '#000000',
  },
}

SCSS

$custom: #237ba0;
$custom-light: #72a1bc;
$custom-dark: #000000;

JSON

{
  "hex": "#237ba0",
  "rgb": {
    "r": 35,
    "g": 123,
    "b": 160
  },
  "hsl": {
    "h": 197.76,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.54916,
    "c": 0.0982,
    "h": 231
  },
  "luminance": 0.17061
}

Semantic roles & 50–950 ramp

primary

#237BA0

secondary

#C17B5D

accent

#7241E7

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #237BA0

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

Preview Lab → · Contrast checker → · Palette generator →