#237FAF#237FAF

#237FAF is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.7% C 0.111 H 237.0°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#237FAF
RGB	rgb(35, 127, 175)
HSL	hsl(201, 67%, 41%)
HSV	hsv(201, 80%, 69%)
CMYK	cmyk(80%, 27.4%, 0%, 31.4%)
CIE-LAB	lab(50.25, -9.39, -32.85)
CIE-LCH	lch(50.25, 34.17, 254.05°)
OKLab	oklab(56.67% -0.0604 -0.0928)
OKLCH	oklch(56.67% 0.111 237)
XYZ	xyz(16.0173, 18.6293, 43.3007)
Luminance	0.1863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237FAF #AF5323

analogous

#23AF99 #237FAF #2339AF

triadic

#237FAF #AF237F #7FAF23

tetradic

#237FAF #9923AF #AF5323 #39AF23

square

#237FAF #9923AF #AF5323 #39AF23

split-complementary

#237FAF #AF2339 #AF9923

monochromatic

#0F3549 #195A7C #237FAF #38A1D7 #6BB9E1

Accessibility & contrast

On white

4.44

#237FAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#237FAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237FAF

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237FAF	#FFFFFF	#000000	##000000
##237FAF	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687FB1

Deuteranopia (green-blind)

#5572AE

Tritanopia (blue-blind)

#008B90

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #237faf;
/* rgb */ color: rgb(35, 127, 175);
/* oklch */ color: oklch(56.7% 0.111 237.0);

Tailwind

colors: {
  custom: {
    50: '#75a4c7',
    500: '#237faf',
    950: '#000000',
  },
}

SCSS

$custom: #237faf;
$custom-light: #75a4c7;
$custom-dark: #000000;

JSON

{
  "hex": "#237faf",
  "rgb": {
    "r": 35,
    "g": 127,
    "b": 175
  },
  "hsl": {
    "h": 200.571,
    "s": 66.667,
    "l": 41.176
  },
  "oklch": {
    "l": 0.56666,
    "c": 0.11075,
    "h": 237
  },
  "luminance": 0.18631
}

Semantic roles & 50–950 ramp

primary

#237FAF

secondary

#C78866

accent

#793EEA

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #237FAF

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

Preview Lab → · Contrast checker → · Palette generator →