#237EA0#237EA0

#237EA0 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.7% C 0.097 H 228.0°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#237EA0
RGB	rgb(35, 126, 160)
HSL	hsl(196, 64%, 38%)
HSV	hsv(196, 78%, 63%)
CMYK	cmyk(78.1%, 21.2%, 0%, 37.3%)
CIE-LAB	lab(49.27, -14.20, -25.66)
CIE-LCH	lch(49.27, 29.33, 241.05°)
OKLab	oklab(55.66% -0.0648 -0.0721)
OKLCH	oklch(55.66% 0.097 228)
XYZ	xyz(14.4966, 17.8153, 35.9256)
Luminance	0.1782 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237EA0 #A04523

analogous

#23A083 #237EA0 #233FA0

triadic

#237EA0 #A0237E #7EA023

tetradic

#237EA0 #8323A0 #A04523 #3FA023

square

#237EA0 #8323A0 #A04523 #3FA023

split-complementary

#237EA0 #A0233F #A08323

monochromatic

#0D2F3C #18566E #237EA0 #2FA5D1 #61BBDC

Accessibility & contrast

On white

4.60

#237EA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#237EA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #237EA0

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237EA0	#FFFFFF	#000000	##FFFFFF
##237EA0	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7CA2

Deuteranopia (green-blind)

#5B70A0

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #237ea0;
/* rgb */ color: rgb(35, 126, 160);
/* oklch */ color: oklch(55.7% 0.097 228.0);

Tailwind

colors: {
  custom: {
    50: '#72a3bc',
    500: '#237ea0',
    950: '#000000',
  },
}

SCSS

$custom: #237ea0;
$custom-light: #72a3bc;
$custom-dark: #000000;

JSON

{
  "hex": "#237ea0",
  "rgb": {
    "r": 35,
    "g": 126,
    "b": 160
  },
  "hsl": {
    "h": 196.32,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.55664,
    "c": 0.09693,
    "h": 228
  },
  "luminance": 0.17817
}

Semantic roles & 50–950 ramp

primary

#237EA0

secondary

#C1795D

accent

#6E41E7

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #237EA0

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

Preview Lab → · Contrast checker → · Palette generator →