#237FA0#237FA0

#237FA0 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 55.9% C 0.097 H 227.1°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#237FA0
RGB	rgb(35, 127, 160)
HSL	hsl(196, 64%, 38%)
HSV	hsv(196, 78%, 63%)
CMYK	cmyk(78.1%, 20.6%, 0%, 37.3%)
CIE-LAB	lab(49.58, -14.76, -25.18)
CIE-LCH	lch(49.58, 29.19, 239.63°)
OKLab	oklab(55.91% -0.0658 -0.0707)
OKLCH	oklch(55.91% 0.097 227.1)
XYZ	xyz(14.6251, 18.0724, 35.9684)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237FA0 #A04423

analogous

#23A082 #237FA0 #2340A0

triadic

#237FA0 #A0237F #7FA023

tetradic

#237FA0 #8223A0 #A04423 #40A023

square

#237FA0 #8223A0 #A04423 #40A023

split-complementary

#237FA0 #A02340 #A08223

monochromatic

#0D2F3C #18576E #237FA0 #2FA6D1 #61BCDC

Accessibility & contrast

On white

4.55

#237FA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#237FA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237FA0

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237FA0	#FFFFFF	#000000	##000000
##237FA0	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7DA2

Deuteranopia (green-blind)

#5D71A0

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #237fa0;
/* rgb */ color: rgb(35, 127, 160);
/* oklch */ color: oklch(55.9% 0.097 227.1);

Tailwind

colors: {
  custom: {
    50: '#72a4bc',
    500: '#237fa0',
    950: '#000000',
  },
}

SCSS

$custom: #237fa0;
$custom-light: #72a4bc;
$custom-dark: #000000;

JSON

{
  "hex": "#237fa0",
  "rgb": {
    "r": 35,
    "g": 127,
    "b": 160
  },
  "hsl": {
    "h": 195.84,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.55914,
    "c": 0.09658,
    "h": 227.1
  },
  "luminance": 0.18074
}

Semantic roles & 50–950 ramp

primary

#237FA0

secondary

#C1785D

accent

#6D41E7

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #237FA0

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

Preview Lab → · Contrast checker → · Palette generator →