#237CA7#237CA7

#237CA7 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.5% C 0.104 H 234.7°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#237CA7
RGB	rgb(35, 124, 167)
HSL	hsl(200, 65%, 40%)
HSV	hsv(200, 79%, 65%)
CMYK	cmyk(79%, 25.7%, 0%, 34.5%)
CIE-LAB	lab(48.96, -10.56, -30.23)
CIE-LCH	lch(48.96, 32.02, 250.75°)
OKLab	oklab(55.52% -0.0603 -0.0853)
OKLCH	oklch(55.52% 0.104 234.7)
XYZ	xyz(14.8730, 17.5608, 39.1574)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237CA7 #A74E23

analogous

#23A790 #237CA7 #233AA7

triadic

#237CA7 #A7237C #7CA723

tetradic

#237CA7 #9023A7 #A74E23 #3AA723

square

#237CA7 #9023A7 #A74E23 #3AA723

split-complementary

#237CA7 #A7233A #A79023

monochromatic

#0E3142 #185674 #237CA7 #33A0D4 #66B7DF

Accessibility & contrast

On white

4.65

#237CA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#237CA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #237CA7

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237CA7	#FFFFFF	#000000	##FFFFFF
##237CA7	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677BA9

Deuteranopia (green-blind)

#556FA6

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #237ca7;
/* rgb */ color: rgb(35, 124, 167);
/* oklch */ color: oklch(55.5% 0.104 234.7);

Tailwind

colors: {
  custom: {
    50: '#73a1c1',
    500: '#237ca7',
    950: '#000000',
  },
}

SCSS

$custom: #237ca7;
$custom-light: #73a1c1;
$custom-dark: #000000;

JSON

{
  "hex": "#237ca7",
  "rgb": {
    "r": 35,
    "g": 124,
    "b": 167
  },
  "hsl": {
    "h": 199.545,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.55517,
    "c": 0.10443,
    "h": 234.7
  },
  "luminance": 0.17563
}

Semantic roles & 50–950 ramp

primary

#237CA7

secondary

#C48261

accent

#763FE8

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #237CA7

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

Preview Lab → · Contrast checker → · Palette generator →