#3B7BB1#3B7BB1

#3B7BB1 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.5% C 0.107 H 246.6°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3B7BB1
RGB	rgb(59, 123, 177)
HSL	hsl(207, 50%, 46%)
HSV	hsv(207, 67%, 69%)
CMYK	cmyk(66.7%, 30.5%, 0%, 30.6%)
CIE-LAB	lab(49.82, -2.99, -34.63)
CIE-LCH	lch(49.82, 34.76, 265.06°)
OKLab	oklab(56.55% -0.0423 -0.0978)
OKLCH	oklch(56.55% 0.107 246.6)
XYZ	xyz(16.8194, 18.2683, 44.2262)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7BB1 #B1713B

analogous

#3BB1AC #3B7BB1 #3B40B1

triadic

#3B7BB1 #B13B7B #7BB13B

tetradic

#3B7BB1 #AC3BB1 #B1713B #40B13B

square

#3B7BB1 #AC3BB1 #B1713B #40B13B

split-complementary

#3B7BB1 #B13B40 #B1AC3B

monochromatic

#1C3B55 #2C5B83 #3B7BB1 #5F99CA #8DB6D9

Accessibility & contrast

On white

4.51

#3B7BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#3B7BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7BB1

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7BB1	#FFFFFF	#000000	##000000
##3B7BB1	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637DB3

Deuteranopia (green-blind)

#5371B0

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3b7bb1;
/* rgb */ color: rgb(59, 123, 177);
/* oklch */ color: oklch(56.5% 0.107 246.6);

Tailwind

colors: {
  custom: {
    50: '#7da0c8',
    500: '#3b7bb1',
    950: '#000000',
  },
}

SCSS

$custom: #3b7bb1;
$custom-light: #7da0c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7bb1",
  "rgb": {
    "r": 59,
    "g": 123,
    "b": 177
  },
  "hsl": {
    "h": 207.458,
    "s": 50,
    "l": 46.275
  },
  "oklch": {
    "l": 0.5655,
    "c": 0.10659,
    "h": 246.6
  },
  "luminance": 0.1827
}

Semantic roles & 50–950 ramp

primary

#3B7BB1

secondary

#C4A184

accent

#8E4EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3B7BB1

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

Preview Lab → · Contrast checker → · Palette generator →