#237AA6#237AA6

#237AA6 is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.0% C 0.105 H 235.9°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#237AA6
RGB	rgb(35, 122, 166)
HSL	hsl(200, 65%, 39%)
HSV	hsv(200, 79%, 65%)
CMYK	cmyk(78.9%, 26.5%, 0%, 34.9%)
CIE-LAB	lab(48.30, -9.77, -30.68)
CIE-LCH	lch(48.30, 32.20, 252.34°)
OKLab	oklab(54.97% -0.0587 -0.0866)
OKLCH	oklch(54.97% 0.105 235.9)
XYZ	xyz(14.5329, 17.0278, 38.5898)
Luminance	0.1703 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237AA6 #A64F23

analogous

#23A691 #237AA6 #2338A6

triadic

#237AA6 #A6237A #7AA623

tetradic

#237AA6 #9123A6 #A64F23 #38A623

square

#237AA6 #9123A6 #A64F23 #38A623

split-complementary

#237AA6 #A62338 #A69123

monochromatic

#0E3041 #185573 #237AA6 #329ED4 #65B6DF

Accessibility & contrast

On white

4.77

#237AA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#237AA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237AA6

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237AA6	#FFFFFF	#000000	##FFFFFF
##237AA6	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6579A8

Deuteranopia (green-blind)

#536DA5

Tritanopia (blue-blind)

#008589

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #237aa6;
/* rgb */ color: rgb(35, 122, 166);
/* oklch */ color: oklch(55.0% 0.105 235.9);

Tailwind

colors: {
  custom: {
    50: '#73a0c0',
    500: '#237aa6',
    950: '#000000',
  },
}

SCSS

$custom: #237aa6;
$custom-light: #73a0c0;
$custom-dark: #000000;

JSON

{
  "hex": "#237aa6",
  "rgb": {
    "r": 35,
    "g": 122,
    "b": 166
  },
  "hsl": {
    "h": 200.153,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.54973,
    "c": 0.10463,
    "h": 235.9
  },
  "luminance": 0.1703
}

Semantic roles & 50–950 ramp

primary

#237AA6

secondary

#C48261

accent

#7840E8

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #237AA6

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

Preview Lab → · Contrast checker → · Palette generator →