#237991#237991

#237991 is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 53.7% C 0.087 H 220.8°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#237991
RGB	rgb(35, 121, 145)
HSL	hsl(193, 61%, 35%)
HSV	hsv(193, 76%, 57%)
CMYK	cmyk(75.9%, 16.6%, 0%, 43.1%)
CIE-LAB	lab(47.07, -16.66, -20.26)
CIE-LCH	lch(47.07, 26.22, 230.57°)
OKLab	oklab(53.7% -0.0656 -0.0566)
OKLCH	oklch(53.7% 0.087 220.8)
XYZ	xyz(12.6392, 16.0749, 29.2192)
Luminance	0.1608 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237991 #913B23

analogous

#239172 #237991 #234291

triadic

#237991 #912379 #799123

tetradic

#237991 #722391 #913B23 #429123

square

#237991 #722391 #913B23 #429123

split-complementary

#237991 #912342 #917223

monochromatic

#0B272E #175060 #237991 #2FA2C2 #58BBD7

Accessibility & contrast

On white

4.98

#237991 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#237991 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237991

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237991	#FFFFFF	#000000	##FFFFFF
##237991	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7692

Deuteranopia (green-blind)

#5C6B91

Tritanopia (blue-blind)

#008181

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #237991;
/* rgb */ color: rgb(35, 121, 145);
/* oklch */ color: oklch(53.7% 0.087 220.8);

Tailwind

colors: {
  custom: {
    50: '#6f9fb1',
    500: '#237991',
    950: '#000000',
  },
}

SCSS

$custom: #237991;
$custom-light: #6f9fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#237991",
  "rgb": {
    "r": 35,
    "g": 121,
    "b": 145
  },
  "hsl": {
    "h": 193.091,
    "s": 61.111,
    "l": 35.294
  },
  "oklch": {
    "l": 0.53696,
    "c": 0.0867,
    "h": 220.8
  },
  "luminance": 0.16076
}

Semantic roles & 50–950 ramp

primary

#237991

secondary

#BB6B55

accent

#6744E4

background

#F7F9FA

surface

#EDF2F5

border

#C8CCCF

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #237991

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

Preview Lab → · Contrast checker → · Palette generator →