#3B7BBB#3B7BBB

#3B7BBB is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.1% C 0.119 H 250.7°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3B7BBB
RGB	rgb(59, 123, 187)
HSL	hsl(210, 52%, 48%)
HSV	hsv(210, 68%, 73%)
CMYK	cmyk(68.4%, 34.2%, 0%, 26.7%)
CIE-LAB	lab(50.31, 0.52, -39.63)
CIE-LCH	lch(50.31, 39.63, 270.75°)
OKLab	oklab(57.1% -0.0394 -0.1124)
OKLCH	oklch(57.1% 0.119 250.7)
XYZ	xyz(17.8529, 18.6817, 49.6691)
Luminance	0.1868 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7BBB #BB7B3B

analogous

#3BBBBB #3B7BBB #3B3BBB

triadic

#3B7BBB #BB3B7B #7BBB3B

tetradic

#3B7BBB #BB3BBB #BB7B3B #3BBB3B

square

#3B7BBB #BB3BBB #BB7B3B #3BBB3B

split-complementary

#3B7BBB #BB3B3B #BBBB3B

monochromatic

#1E3E5E #2C5C8C #3B7BBB #659ACE #93B8DD

Accessibility & contrast

On white

4.43

#3B7BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#3B7BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7BBB

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7BBB	#FFFFFF	#000000	##000000
##3B7BBB	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7EBE

Deuteranopia (green-blind)

#4D72BA

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3b7bbb;
/* rgb */ color: rgb(59, 123, 187);
/* oklch */ color: oklch(57.1% 0.119 250.7);

Tailwind

colors: {
  custom: {
    50: '#7fa0d0',
    500: '#3b7bbb',
    950: '#000000',
  },
}

SCSS

$custom: #3b7bbb;
$custom-light: #7fa0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7bbb",
  "rgb": {
    "r": 59,
    "g": 123,
    "b": 187
  },
  "hsl": {
    "h": 210,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.57099,
    "c": 0.11909,
    "h": 250.7
  },
  "luminance": 0.18684
}

Semantic roles & 50–950 ramp

primary

#3B7BBB

secondary

#C8A98A

accent

#944CDB

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3B7BBB

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

Preview Lab → · Contrast checker → · Palette generator →