#237F9E#237F9E

#237F9E is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 55.8% C 0.095 H 225.5°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#237F9E
RGB	rgb(35, 127, 158)
HSL	hsl(195, 64%, 38%)
HSV	hsv(195, 78%, 62%)
CMYK	cmyk(77.8%, 19.6%, 0%, 38%)
CIE-LAB	lab(49.50, -15.46, -24.14)
CIE-LCH	lch(49.50, 28.67, 237.37°)
OKLab	oklab(55.82% -0.0666 -0.0677)
OKLCH	oklch(55.82% 0.095 225.5)
XYZ	xyz(14.4515, 18.0029, 35.0544)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237F9E #9E4223

analogous

#239E7F #237F9E #23419E

triadic

#237F9E #9E237F #7F9E23

tetradic

#237F9E #7F239E #9E4223 #419E23

square

#237F9E #7F239E #9E4223 #419E23

split-complementary

#237F9E #9E2341 #9E7F23

monochromatic

#0D2E3A #18576C #237F9E #2EA7D0 #60BCDC

Accessibility & contrast

On white

4.56

#237F9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#237F9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237F9E

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237F9E	#FFFFFF	#000000	##000000
##237F9E	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7CA0

Deuteranopia (green-blind)

#5E719E

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #237f9e;
/* rgb */ color: rgb(35, 127, 158);
/* oklch */ color: oklch(55.8% 0.095 225.5);

Tailwind

colors: {
  custom: {
    50: '#72a4ba',
    500: '#237f9e',
    950: '#000000',
  },
}

SCSS

$custom: #237f9e;
$custom-light: #72a4ba;
$custom-dark: #000000;

JSON

{
  "hex": "#237f9e",
  "rgb": {
    "r": 35,
    "g": 127,
    "b": 158
  },
  "hsl": {
    "h": 195.122,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.55819,
    "c": 0.09495,
    "h": 225.5
  },
  "luminance": 0.18005
}

Semantic roles & 50–950 ramp

primary

#237F9E

secondary

#C1755C

accent

#6B41E7

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #237F9E

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

Preview Lab → · Contrast checker → · Palette generator →