#237DA0#237DA0

#237DA0 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.4% C 0.097 H 229.0°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#237DA0
RGB	rgb(35, 125, 160)
HSL	hsl(197, 64%, 38%)
HSV	hsv(197, 78%, 63%)
CMYK	cmyk(78.1%, 21.9%, 0%, 37.3%)
CIE-LAB	lab(48.96, -13.64, -26.15)
CIE-LCH	lch(48.96, 29.49, 242.46°)
OKLab	oklab(55.42% -0.0638 -0.0735)
OKLCH	oklch(55.42% 0.097 229)
XYZ	xyz(14.3693, 17.5609, 35.8832)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237DA0 #A04623

analogous

#23A084 #237DA0 #233EA0

triadic

#237DA0 #A0237D #7DA023

tetradic

#237DA0 #8423A0 #A04623 #3EA023

square

#237DA0 #8423A0 #A04623 #3EA023

split-complementary

#237DA0 #A0233E #A08423

monochromatic

#0D2F3C #18566E #237DA0 #2FA4D1 #61BADC

Accessibility & contrast

On white

4.65

#237DA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#237DA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #237DA0

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237DA0	#FFFFFF	#000000	##FFFFFF
##237DA0	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7BA2

Deuteranopia (green-blind)

#5A6FA0

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #237da0;
/* rgb */ color: rgb(35, 125, 160);
/* oklch */ color: oklch(55.4% 0.097 229.0);

Tailwind

colors: {
  custom: {
    50: '#72a2bc',
    500: '#237da0',
    950: '#000000',
  },
}

SCSS

$custom: #237da0;
$custom-light: #72a2bc;
$custom-dark: #000000;

JSON

{
  "hex": "#237da0",
  "rgb": {
    "r": 35,
    "g": 125,
    "b": 160
  },
  "hsl": {
    "h": 196.8,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.55415,
    "c": 0.09732,
    "h": 229
  },
  "luminance": 0.17563
}

Semantic roles & 50–950 ramp

primary

#237DA0

secondary

#C1795D

accent

#6F41E7

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #237DA0

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

Preview Lab → · Contrast checker → · Palette generator →