#237BA6#237BA6

#237BA6 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.2% C 0.104 H 235.0°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#237BA6
RGB	rgb(35, 123, 166)
HSL	hsl(200, 65%, 39%)
HSV	hsv(200, 79%, 65%)
CMYK	cmyk(78.9%, 25.9%, 0%, 34.9%)
CIE-LAB	lab(48.60, -10.34, -30.20)
CIE-LCH	lch(48.60, 31.92, 251.09°)
OKLab	oklab(55.22% -0.0596 -0.0852)
OKLCH	oklch(55.22% 0.104 235)
XYZ	xyz(14.6563, 17.2746, 38.6309)
Luminance	0.1728 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237BA6 #A64E23

analogous

#23A690 #237BA6 #2339A6

triadic

#237BA6 #A6237B #7BA623

tetradic

#237BA6 #9023A6 #A64E23 #39A623

square

#237BA6 #9023A6 #A64E23 #39A623

split-complementary

#237BA6 #A62339 #A69023

monochromatic

#0E3041 #185673 #237BA6 #329FD4 #65B7DF

Accessibility & contrast

On white

4.71

#237BA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#237BA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237BA6

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237BA6	#FFFFFF	#000000	##FFFFFF
##237BA6	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667AA8

Deuteranopia (green-blind)

#546EA5

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #237ba6;
/* rgb */ color: rgb(35, 123, 166);
/* oklch */ color: oklch(55.2% 0.104 235.0);

Tailwind

colors: {
  custom: {
    50: '#73a1c0',
    500: '#237ba6',
    950: '#000000',
  },
}

SCSS

$custom: #237ba6;
$custom-light: #73a1c0;
$custom-dark: #000000;

JSON

{
  "hex": "#237ba6",
  "rgb": {
    "r": 35,
    "g": 123,
    "b": 166
  },
  "hsl": {
    "h": 199.695,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55219,
    "c": 0.10401,
    "h": 235
  },
  "luminance": 0.17276
}

Semantic roles & 50–950 ramp

primary

#237BA6

secondary

#C48161

accent

#7740E8

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #237BA6

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

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