#3B7BBF#3B7BBF

#3B7BBF is a mid, vivid cyan. Relative luminance 0.189; OKLCH L 57.3% C 0.124 H 252.0°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3B7BBF
RGB	rgb(59, 123, 191)
HSL	hsl(211, 53%, 49%)
HSV	hsv(211, 69%, 75%)
CMYK	cmyk(69.1%, 35.6%, 0%, 25.1%)
CIE-LAB	lab(50.52, 1.94, -41.60)
CIE-LCH	lch(50.52, 41.65, 272.67°)
OKLab	oklab(57.33% -0.0383 -0.1182)
OKLCH	oklch(57.33% 0.124 252)
XYZ	xyz(18.2871, 18.8554, 51.9558)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7BBF #BF7F3B

analogous

#3BBDBF #3B7BBF #3D3BBF

triadic

#3B7BBF #BF3B7B #7BBF3B

tetradic

#3B7BBF #BF3BBD #BF7F3B #3BBF3D

square

#3B7BBF #BF3BBD #BF7F3B #3BBF3D

split-complementary

#3B7BBF #BF3D3B #BDBF3B

monochromatic

#1E3F61 #2D5D90 #3B7BBF #679AD0 #96B9DF

Accessibility & contrast

On white

4.40

#3B7BBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#3B7BBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7BBF

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7BBF	#FFFFFF	#000000	##000000
##3B7BBF	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7FC2

Deuteranopia (green-blind)

#4A73BE

Tritanopia (blue-blind)

#008B94

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3b7bbf;
/* rgb */ color: rgb(59, 123, 191);
/* oklch */ color: oklch(57.3% 0.124 252.0);

Tailwind

colors: {
  custom: {
    50: '#80a0d2',
    500: '#3b7bbf',
    950: '#000000',
  },
}

SCSS

$custom: #3b7bbf;
$custom-light: #80a0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7bbf",
  "rgb": {
    "r": 59,
    "g": 123,
    "b": 191
  },
  "hsl": {
    "h": 210.909,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.57326,
    "c": 0.12421,
    "h": 252
  },
  "luminance": 0.18857
}

Semantic roles & 50–950 ramp

primary

#3B7BBF

secondary

#CAAC8C

accent

#964CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3B7BBF

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

Preview Lab → · Contrast checker → · Palette generator →