#237A9E#237A9E

#237A9E is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.6% C 0.097 H 230.5°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#237A9E
RGB	rgb(35, 122, 158)
HSL	hsl(198, 64%, 38%)
HSV	hsv(198, 78%, 62%)
CMYK	cmyk(77.8%, 22.8%, 0%, 38%)
CIE-LAB	lab(47.94, -12.65, -26.57)
CIE-LCH	lch(47.94, 29.43, 244.54°)
OKLab	oklab(54.57% -0.0616 -0.0747)
OKLCH	oklch(54.57% 0.097 230.5)
XYZ	xyz(13.8217, 16.7434, 34.8445)
Luminance	0.1674 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237A9E #9E4723

analogous

#239E84 #237A9E #233C9E

triadic

#237A9E #9E237A #7A9E23

tetradic

#237A9E #84239E #9E4723 #3C9E23

square

#237A9E #84239E #9E4723 #3C9E23

split-complementary

#237A9E #9E233C #9E8423

monochromatic

#0D2D3A #18536C #237A9E #2EA1D0 #60B7DC

Accessibility & contrast

On white

4.83

#237A9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#237A9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237A9E

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237A9E	#FFFFFF	#000000	##FFFFFF
##237A9E	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6878A0

Deuteranopia (green-blind)

#576D9D

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #237a9e;
/* rgb */ color: rgb(35, 122, 158);
/* oklch */ color: oklch(54.6% 0.097 230.5);

Tailwind

colors: {
  custom: {
    50: '#71a0ba',
    500: '#237a9e',
    950: '#000000',
  },
}

SCSS

$custom: #237a9e;
$custom-light: #71a0ba;
$custom-dark: #000000;

JSON

{
  "hex": "#237a9e",
  "rgb": {
    "r": 35,
    "g": 122,
    "b": 158
  },
  "hsl": {
    "h": 197.561,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.54567,
    "c": 0.09683,
    "h": 230.5
  },
  "luminance": 0.16745
}

Semantic roles & 50–950 ramp

primary

#237A9E

secondary

#C17A5C

accent

#7241E7

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #237A9E

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

Preview Lab → · Contrast checker → · Palette generator →