#3B7BBD#3B7BBD

#3B7BBD is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.2% C 0.122 H 251.4°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3B7BBD
RGB	rgb(59, 123, 189)
HSL	hsl(210, 52%, 49%)
HSV	hsv(210, 69%, 74%)
CMYK	cmyk(68.8%, 34.9%, 0%, 25.9%)
CIE-LAB	lab(50.41, 1.23, -40.62)
CIE-LCH	lch(50.41, 40.63, 271.73°)
OKLab	oklab(57.21% -0.0388 -0.1153)
OKLCH	oklch(57.21% 0.122 251.4)
XYZ	xyz(18.0685, 18.7679, 50.8046)
Luminance	0.1877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7BBD #BD7D3B

analogous

#3BBCBD #3B7BBD #3C3BBD

triadic

#3B7BBD #BD3B7B #7BBD3B

tetradic

#3B7BBD #BD3BBC #BD7D3B #3BBD3C

square

#3B7BBD #BD3BBC #BD7D3B #3BBD3C

split-complementary

#3B7BBD #BD3C3B #BCBD3B

monochromatic

#1E3E60 #2C5D8E #3B7BBD #669ACF #95B9DE

Accessibility & contrast

On white

4.42

#3B7BBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#3B7BBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7BBD

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7BBD	#FFFFFF	#000000	##000000
##3B7BBD	1.00	4.42	4.75	4.75
#FFFFFF	4.42	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)

#5E7FC0

Deuteranopia (green-blind)

#4B72BC

Tritanopia (blue-blind)

#008A93

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3b7bbd;
/* rgb */ color: rgb(59, 123, 189);
/* oklch */ color: oklch(57.2% 0.122 251.4);

Tailwind

colors: {
  custom: {
    50: '#7fa0d1',
    500: '#3b7bbd',
    950: '#000000',
  },
}

SCSS

$custom: #3b7bbd;
$custom-light: #7fa0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7bbd",
  "rgb": {
    "r": 59,
    "g": 123,
    "b": 189
  },
  "hsl": {
    "h": 210.462,
    "s": 52.419,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57212,
    "c": 0.12165,
    "h": 251.4
  },
  "luminance": 0.1877
}

Semantic roles & 50–950 ramp

primary

#3B7BBD

secondary

#C9AA8B

accent

#954CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3B7BBD

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

Preview Lab → · Contrast checker → · Palette generator →