#237DBC#237DBC

#237DBC is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 56.9% C 0.127 H 244.6°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#237DBC
RGB	rgb(35, 125, 188)
HSL	hsl(205, 69%, 44%)
HSV	hsv(205, 81%, 74%)
CMYK	cmyk(81.4%, 33.5%, 0%, 26.3%)
CIE-LAB	lab(50.28, -3.42, -40.30)
CIE-LCH	lch(50.28, 40.44, 265.15°)
OKLab	oklab(56.9% -0.0544 -0.1146)
OKLCH	oklch(56.9% 0.127 244.6)
XYZ	xyz(17.1003, 18.6533, 50.2664)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237DBC #BC6223

analogous

#23BCAE #237DBC #2330BC

triadic

#237DBC #BC237D #7DBC23

tetradic

#237DBC #AE23BC #BC6223 #30BC23

square

#237DBC #AE23BC #BC6223 #30BC23

split-complementary

#237DBC #BC2330 #BCAE23

monochromatic

#103855 #195B88 #237DBC #419CDC #74B7E5

Accessibility & contrast

On white

4.44

#237DBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#237DBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237DBC

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237DBC	#FFFFFF	#000000	##000000
##237DBC	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)

#5F7FBF

Deuteranopia (green-blind)

#4A71BB

Tritanopia (blue-blind)

#008C94

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #237dbc;
/* rgb */ color: rgb(35, 125, 188);
/* oklch */ color: oklch(56.9% 0.127 244.6);

Tailwind

colors: {
  custom: {
    50: '#77a2d0',
    500: '#237dbc',
    950: '#000000',
  },
}

SCSS

$custom: #237dbc;
$custom-light: #77a2d0;
$custom-dark: #000000;

JSON

{
  "hex": "#237dbc",
  "rgb": {
    "r": 35,
    "g": 125,
    "b": 188
  },
  "hsl": {
    "h": 204.706,
    "s": 68.61,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56897,
    "c": 0.12684,
    "h": 244.6
  },
  "luminance": 0.18655
}

Semantic roles & 50–950 ramp

primary

#237DBC

secondary

#CC956F

accent

#843CEB

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0F14

muted

#7C7E82

Preview Lab

Preview with #237DBC

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

Preview Lab → · Contrast checker → · Palette generator →