#3B7BD3#3B7BD3

#3B7BD3 is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.5% C 0.150 H 257.1°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#3B7BD3
RGB	rgb(59, 123, 211)
HSL	hsl(215, 63%, 53%)
HSV	hsv(215, 72%, 83%)
CMYK	cmyk(72%, 41.7%, 0%, 17.3%)
CIE-LAB	lab(51.61, 9.13, -51.27)
CIE-LCH	lch(51.61, 52.08, 280.09°)
OKLab	oklab(58.53% -0.0336 -0.1465)
OKLCH	oklch(58.53% 0.15 257.1)
XYZ	xyz(20.6402, 19.7966, 64.3487)
Luminance	0.1980 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7BD3 #D3933B

analogous

#3BC7D3 #3B7BD3 #473BD3

triadic

#3B7BD3 #D33B7B #7BD33B

tetradic

#3B7BD3 #D33BC7 #D3933B #3BD347

square

#3B7BD3 #D33BC7 #D3933B #3BD347

split-complementary

#3B7BD3 #D3473B #C7D33B

monochromatic

#1B4279 #265EAB #3B7BD3 #6D9DDE #9FBEE9

Accessibility & contrast

On white

4.23

#3B7BD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#3B7BD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7BD3

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7BD3	#FFFFFF	#000000	##000000
##3B7BD3	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5183D6

Deuteranopia (green-blind)

#3775D1

Tritanopia (blue-blind)

#00909D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3b7bd3;
/* rgb */ color: rgb(59, 123, 211);
/* oklch */ color: oklch(58.5% 0.150 257.1);

Tailwind

colors: {
  custom: {
    50: '#83a0e1',
    500: '#3b7bd3',
    950: '#000000',
  },
}

SCSS

$custom: #3b7bd3;
$custom-light: #83a0e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7bd3",
  "rgb": {
    "r": 59,
    "g": 123,
    "b": 211
  },
  "hsl": {
    "h": 214.737,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.58529,
    "c": 0.15031,
    "h": 257.1
  },
  "luminance": 0.19799
}

Semantic roles & 50–950 ramp

primary

#3B7BD3

secondary

#D6BA94

accent

#A141E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B7BD3

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

Preview Lab → · Contrast checker → · Palette generator →