#237DA6#237DA6

#237DA6 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.7% C 0.103 H 233.2°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX#237DA6
RGBrgb(35, 125, 166)
HSLhsl(199, 65%, 39%)
HSVhsv(199, 79%, 65%)
CMYKcmyk(78.9%, 24.7%, 0%, 34.9%)
CIE-LABlab(49.22, -11.49, -29.23)
CIE-LCHlch(49.22, 31.41, 248.54°)
OKLaboklab(55.71% -0.0616 -0.0824)
OKLCHoklch(55.71% 0.103 233.2)
XYZxyz(14.9069, 17.7759, 38.7144)
Luminance0.1778 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#237DA6 #A64C23
analogous
#23A68E #237DA6 #233BA6
triadic
#237DA6 #A6237D #7DA623
tetradic
#237DA6 #8E23A6 #A64C23 #3BA623
square
#237DA6 #8E23A6 #A64C23 #3BA623
split-complementary
#237DA6 #A6233B #A68E23
monochromatic
#0E3141 #185773 #237DA6 #32A1D4 #65B8DF

Accessibility & contrast

On white

4.61
#237DA6 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.56
#237DA6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #237DA6
4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##237DA6#FFFFFF#000000##FFFFFF
##237DA61.004.614.564.61
#FFFFFF4.611.0021.001.00
#0000004.5621.001.0021.00
##FFFFFF4.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#697CA8
Deuteranopia (green-blind)
#5770A5
Tritanopia (blue-blind)
#00888B
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #237da6;
/* rgb */ color: rgb(35, 125, 166);
/* oklch */ color: oklch(55.7% 0.103 233.2);
Tailwind
colors: {
  custom: {
    50: '#73a2c0',
    500: '#237da6',
    950: '#000000',
  },
}
SCSS
$custom: #237da6;
$custom-light: #73a2c0;
$custom-dark: #000000;
JSON
{
  "hex": "#237da6",
  "rgb": {
    "r": 35,
    "g": 125,
    "b": 166
  },
  "hsl": {
    "h": 198.779,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55713,
    "c": 0.10287,
    "h": 233.2
  },
  "luminance": 0.17778
}

Semantic roles & 50–950 ramp

primary
#237DA6
secondary
#C48061
accent
#7440E8
background
#F7F9FB
surface
#EEF2F7
border
#C9CCD0
text
#090F12
muted
#7B7E81

Preview Lab

Preview with #237DA6

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

Preview Lab → · Contrast checker → · Palette generator →

#237DA6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva