#3B7BB8#3B7BB8

#3B7BB8 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.9% C 0.115 H 249.6°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3B7BB8
RGB	rgb(59, 123, 184)
HSL	hsl(209, 51%, 48%)
HSV	hsv(209, 68%, 72%)
CMYK	cmyk(67.9%, 33.2%, 0%, 27.8%)
CIE-LAB	lab(50.16, -0.54, -38.14)
CIE-LCH	lch(50.16, 38.14, 269.18°)
OKLab	oklab(56.93% -0.0402 -0.108)
OKLCH	oklch(56.93% 0.115 249.6)
XYZ	xyz(17.5351, 18.5546, 47.9954)
Luminance	0.1856 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7BB8 #B8783B

analogous

#3BB8B6 #3B7BB8 #3B3DB8

triadic

#3B7BB8 #B83B7B #7BB83B

tetradic

#3B7BB8 #B63BB8 #B8783B #3DB83B

square

#3B7BB8 #B63BB8 #B8783B #3DB83B

split-complementary

#3B7BB8 #B83B3D #B8B63B

monochromatic

#1D3D5B #2C5C8A #3B7BB8 #6399CD #92B8DC

Accessibility & contrast

On white

4.46

#3B7BB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#3B7BB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7BB8

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7BB8	#FFFFFF	#000000	##000000
##3B7BB8	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607EBB

Deuteranopia (green-blind)

#4F72B7

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3b7bb8;
/* rgb */ color: rgb(59, 123, 184);
/* oklch */ color: oklch(56.9% 0.115 249.6);

Tailwind

colors: {
  custom: {
    50: '#7fa0cd',
    500: '#3b7bb8',
    950: '#000000',
  },
}

SCSS

$custom: #3b7bb8;
$custom-light: #7fa0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7bb8",
  "rgb": {
    "r": 59,
    "g": 123,
    "b": 184
  },
  "hsl": {
    "h": 209.28,
    "s": 51.44,
    "l": 47.647
  },
  "oklch": {
    "l": 0.56931,
    "c": 0.11529,
    "h": 249.6
  },
  "luminance": 0.18556
}

Semantic roles & 50–950 ramp

primary

#3B7BB8

secondary

#C7A788

accent

#924DDB

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3B7BB8

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

Preview Lab → · Contrast checker → · Palette generator →