#237A8D#237A8D

#237A8D is a mid, moderate cyan. Relative luminance 0.162; OKLCH L 53.8% C 0.084 H 215.8°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#237A8D
RGB	rgb(35, 122, 141)
HSL	hsl(191, 60%, 35%)
HSV	hsv(191, 75%, 55%)
CMYK	cmyk(75.2%, 13.5%, 0%, 44.7%)
CIE-LAB	lab(47.23, -18.57, -17.65)
CIE-LCH	lch(47.23, 25.62, 223.54°)
OKLab	oklab(53.77% -0.0683 -0.0492)
OKLCH	oklch(53.77% 0.084 215.8)
XYZ	xyz(12.4584, 16.1980, 27.6641)
Luminance	0.1620 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237A8D #8D3623

analogous

#238D6B #237A8D #23458D

triadic

#237A8D #8D237A #7A8D23

tetradic

#237A8D #6B238D #8D3623 #458D23

square

#237A8D #6B238D #8D3623 #458D23

split-complementary

#237A8D #8D2345 #8D6B23

monochromatic

#0B252B #17505C #237A8D #2FA4BE #55BED5

Accessibility & contrast

On white

4.95

#237A8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#237A8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237A8D

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237A8D	#FFFFFF	#000000	##FFFFFF
##237A8D	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D768E

Deuteranopia (green-blind)

#5E6B8D

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #237a8d;
/* rgb */ color: rgb(35, 122, 141);
/* oklch */ color: oklch(53.8% 0.084 215.8);

Tailwind

colors: {
  custom: {
    50: '#6fa0ae',
    500: '#237a8d',
    950: '#000000',
  },
}

SCSS

$custom: #237a8d;
$custom-light: #6fa0ae;
$custom-dark: #000000;

JSON

{
  "hex": "#237a8d",
  "rgb": {
    "r": 35,
    "g": 122,
    "b": 141
  },
  "hsl": {
    "h": 190.755,
    "s": 60.227,
    "l": 34.51
  },
  "oklch": {
    "l": 0.53773,
    "c": 0.08423,
    "h": 215.8
  },
  "luminance": 0.16199
}

Semantic roles & 50–950 ramp

primary

#237A8D

secondary

#B96553

accent

#6144E3

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #237A8D

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

Preview Lab → · Contrast checker → · Palette generator →