#237F9A#237F9A

#237F9A is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.6% C 0.092 H 222.2°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#237F9A
RGB	rgb(35, 127, 154)
HSL	hsl(194, 63%, 37%)
HSV	hsv(194, 77%, 60%)
CMYK	cmyk(77.3%, 17.5%, 0%, 39.6%)
CIE-LAB	lab(49.34, -16.85, -22.06)
CIE-LCH	lch(49.34, 27.76, 232.63°)
OKLab	oklab(55.63% -0.0681 -0.0618)
OKLCH	oklch(55.63% 0.092 222.2)
XYZ	xyz(14.1128, 17.8675, 33.2705)
Luminance	0.1787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237F9A #9A3E23

analogous

#239A79 #237F9A #23449A

triadic

#237F9A #9A237F #7F9A23

tetradic

#237F9A #79239A #9A3E23 #449A23

square

#237F9A #79239A #9A3E23 #449A23

split-complementary

#237F9A #9A2344 #9A7923

monochromatic

#0C2D36 #185668 #237F9A #2EA8CC #5DBEDA

Accessibility & contrast

On white

4.59

#237F9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#237F9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #237F9A

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237F9A	#FFFFFF	#000000	##FFFFFF
##237F9A	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7C9B

Deuteranopia (green-blind)

#5F709A

Tritanopia (blue-blind)

#008788

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #237f9a;
/* rgb */ color: rgb(35, 127, 154);
/* oklch */ color: oklch(55.6% 0.092 222.2);

Tailwind

colors: {
  custom: {
    50: '#71a4b7',
    500: '#237f9a',
    950: '#000000',
  },
}

SCSS

$custom: #237f9a;
$custom-light: #71a4b7;
$custom-dark: #000000;

JSON

{
  "hex": "#237f9a",
  "rgb": {
    "r": 35,
    "g": 127,
    "b": 154
  },
  "hsl": {
    "h": 193.613,
    "s": 62.963,
    "l": 37.059
  },
  "oklch": {
    "l": 0.55633,
    "c": 0.09196,
    "h": 222.2
  },
  "luminance": 0.17869
}

Semantic roles & 50–950 ramp

primary

#237F9A

secondary

#BF715A

accent

#6742E6

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #237F9A

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

Preview Lab → · Contrast checker → · Palette generator →