#237FA6#237FA6

#237FA6 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.2% C 0.102 H 231.4°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#237FA6
RGB	rgb(35, 127, 166)
HSL	hsl(198, 65%, 39%)
HSV	hsv(198, 79%, 65%)
CMYK	cmyk(78.9%, 23.5%, 0%, 34.9%)
CIE-LAB	lab(49.84, -12.63, -28.27)
CIE-LCH	lch(49.84, 30.96, 245.92°)
OKLab	oklab(56.21% -0.0635 -0.0796)
OKLCH	oklch(56.21% 0.102 231.4)
XYZ	xyz(15.1626, 18.2874, 38.7997)
Luminance	0.1829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237FA6 #A64A23

analogous

#23A68C #237FA6 #233DA6

triadic

#237FA6 #A6237F #7FA623

tetradic

#237FA6 #8C23A6 #A64A23 #3DA623

square

#237FA6 #8C23A6 #A64A23 #3DA623

split-complementary

#237FA6 #A6233D #A68C23

monochromatic

#0E3241 #185873 #237FA6 #32A4D4 #65BADF

Accessibility & contrast

On white

4.51

#237FA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#237FA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237FA6

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237FA6	#FFFFFF	#000000	##000000
##237FA6	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7DA8

Deuteranopia (green-blind)

#5A71A5

Tritanopia (blue-blind)

#008A8C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #237fa6;
/* rgb */ color: rgb(35, 127, 166);
/* oklch */ color: oklch(56.2% 0.102 231.4);

Tailwind

colors: {
  custom: {
    50: '#73a4c0',
    500: '#237fa6',
    950: '#000000',
  },
}

SCSS

$custom: #237fa6;
$custom-light: #73a4c0;
$custom-dark: #000000;

JSON

{
  "hex": "#237fa6",
  "rgb": {
    "r": 35,
    "g": 127,
    "b": 166
  },
  "hsl": {
    "h": 197.863,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.56207,
    "c": 0.10184,
    "h": 231.4
  },
  "luminance": 0.18289
}

Semantic roles & 50–950 ramp

primary

#237FA6

secondary

#C47E61

accent

#7240E8

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #237FA6

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

Preview Lab → · Contrast checker → · Palette generator →