#237EBC#237EBC

#237EBC is a mid, vivid cyan. Relative luminance 0.189; OKLCH L 57.1% C 0.126 H 244.0°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#237EBC
RGB	rgb(35, 126, 188)
HSL	hsl(204, 69%, 44%)
HSV	hsv(204, 81%, 74%)
CMYK	cmyk(81.4%, 33%, 0%, 26.3%)
CIE-LAB	lab(50.58, -4.01, -39.83)
CIE-LCH	lch(50.58, 40.03, 264.24°)
OKLab	oklab(57.13% -0.0553 -0.1132)
OKLCH	oklch(57.13% 0.126 244)
XYZ	xyz(17.2275, 18.9077, 50.3088)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237EBC #BC6123

analogous

#23BCAD #237EBC #2331BC

triadic

#237EBC #BC237E #7EBC23

tetradic

#237EBC #AD23BC #BC6123 #31BC23

square

#237EBC #AD23BC #BC6123 #31BC23

split-complementary

#237EBC #BC2331 #BCAD23

monochromatic

#103955 #195B88 #237EBC #419DDC #74B7E5

Accessibility & contrast

On white

4.39

#237EBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#237EBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237EBC

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237EBC	#FFFFFF	#000000	##000000
##237EBC	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6180BF

Deuteranopia (green-blind)

#4B72BB

Tritanopia (blue-blind)

#008D94

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #237ebc;
/* rgb */ color: rgb(35, 126, 188);
/* oklch */ color: oklch(57.1% 0.126 244.0);

Tailwind

colors: {
  custom: {
    50: '#77a3d0',
    500: '#237ebc',
    950: '#000000',
  },
}

SCSS

$custom: #237ebc;
$custom-light: #77a3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#237ebc",
  "rgb": {
    "r": 35,
    "g": 126,
    "b": 188
  },
  "hsl": {
    "h": 204.314,
    "s": 68.61,
    "l": 43.725
  },
  "oklch": {
    "l": 0.57134,
    "c": 0.12596,
    "h": 244
  },
  "luminance": 0.1891
}

Semantic roles & 50–950 ramp

primary

#237EBC

secondary

#CC956F

accent

#833CEB

background

#F7FAFC

surface

#EEF3F9

border

#C9CDD2

text

#0A0F14

muted

#7C7F82

Preview Lab

Preview with #237EBC

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

Preview Lab → · Contrast checker → · Palette generator →