#237E91#237E91

#237E91 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.0% C 0.087 H 215.1°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX#237E91
RGBrgb(35, 126, 145)
HSLhsl(190, 61%, 35%)
HSVhsv(190, 76%, 57%)
CMYKcmyk(75.9%, 13.1%, 0%, 43.1%)
CIE-LABlab(48.66, -19.38, -17.82)
CIE-LCHlch(48.66, 26.33, 222.60°)
OKLaboklab(54.97% -0.0708 -0.0497)
OKLCHoklch(54.97% 0.087 215.1)
XYZxyz(13.2627, 17.3218, 29.4270)
Luminance0.1732 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#237E91 #913623
analogous
#23916D #237E91 #234791
triadic
#237E91 #91237E #7E9123
tetradic
#237E91 #6D2391 #913623 #479123
square
#237E91 #6D2391 #913623 #479123
split-complementary
#237E91 #912347 #916D23
monochromatic
#0B282E #175360 #237E91 #2FA9C2 #58C1D7

Accessibility & contrast

On white

4.70
#237E91 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.46
#237E91 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237E91
4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##237E91#FFFFFF#000000##FFFFFF
##237E911.004.704.464.70
#FFFFFF4.701.0021.001.00
#0000004.4621.001.0021.00
##FFFFFF4.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#717A92
Deuteranopia (green-blind)
#626F91
Tritanopia (blue-blind)
#008584
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #237e91;
/* rgb */ color: rgb(35, 126, 145);
/* oklch */ color: oklch(55.0% 0.087 215.1);
Tailwind
colors: {
  custom: {
    50: '#70a3b1',
    500: '#237e91',
    950: '#000000',
  },
}
SCSS
$custom: #237e91;
$custom-light: #70a3b1;
$custom-dark: #000000;
JSON
{
  "hex": "#237e91",
  "rgb": {
    "r": 35,
    "g": 126,
    "b": 145
  },
  "hsl": {
    "h": 190.364,
    "s": 61.111,
    "l": 35.294
  },
  "oklch": {
    "l": 0.54975,
    "c": 0.08653,
    "h": 215.1
  },
  "luminance": 0.17323
}

Semantic roles & 50–950 ramp

primary
#237E91
secondary
#BB6755
accent
#5F44E4
background
#F7FAFA
surface
#EDF4F5
border
#C8CECF
text
#090F10
muted
#7B7F7F

Preview Lab

Preview with #237E91

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

Preview Lab → · Contrast checker → · Palette generator →

#237E91 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva