#3B7BBC#3B7BBC

#3B7BBC is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.2% C 0.120 H 251.0°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3B7BBC
RGB	rgb(59, 123, 188)
HSL	hsl(210, 52%, 48%)
HSV	hsv(210, 69%, 74%)
CMYK	cmyk(68.6%, 34.6%, 0%, 26.3%)
CIE-LAB	lab(50.36, 0.87, -40.12)
CIE-LCH	lch(50.36, 40.13, 271.24°)
OKLab	oklab(57.16% -0.0391 -0.1138)
OKLCH	oklch(57.16% 0.12 251)
XYZ	xyz(17.9603, 18.7247, 50.2349)
Luminance	0.1873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7BBC #BC7C3B

analogous

#3BBBBC #3B7BBC #3C3BBC

triadic

#3B7BBC #BC3B7B #7BBC3B

tetradic

#3B7BBC #BC3BBB #BC7C3B #3BBC3C

square

#3B7BBC #BC3BBB #BC7C3B #3BBC3C

split-complementary

#3B7BBC #BC3C3B #BBBC3B

monochromatic

#1E3E5F #2C5D8D #3B7BBC #659ACF #94B8DD

Accessibility & contrast

On white

4.43

#3B7BBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#3B7BBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7BBC

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7BBC	#FFFFFF	#000000	##000000
##3B7BBC	1.00	4.43	4.75	4.75
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7FBF

Deuteranopia (green-blind)

#4C72BB

Tritanopia (blue-blind)

#008A93

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3b7bbc;
/* rgb */ color: rgb(59, 123, 188);
/* oklch */ color: oklch(57.2% 0.120 251.0);

Tailwind

colors: {
  custom: {
    50: '#7fa0d0',
    500: '#3b7bbc',
    950: '#000000',
  },
}

SCSS

$custom: #3b7bbc;
$custom-light: #7fa0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7bbc",
  "rgb": {
    "r": 59,
    "g": 123,
    "b": 188
  },
  "hsl": {
    "h": 210.233,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57155,
    "c": 0.12036,
    "h": 251
  },
  "luminance": 0.18727
}

Semantic roles & 50–950 ramp

primary

#3B7BBC

secondary

#C9AA8A

accent

#944CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3B7BBC

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

Preview Lab → · Contrast checker → · Palette generator →