#3A77BB#3A77BB

#3A77BB is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.1% C 0.123 H 253.0°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3A77BB
RGB	rgb(58, 119, 187)
HSL	hsl(212, 53%, 48%)
HSV	hsv(212, 69%, 73%)
CMYK	cmyk(69%, 36.4%, 0%, 26.7%)
CIE-LAB	lab(49.10, 2.78, -41.54)
CIE-LCH	lch(49.10, 41.63, 273.83°)
OKLab	oklab(56.14% -0.0361 -0.118)
OKLCH	oklch(56.14% 0.123 253)
XYZ	xyz(17.3081, 17.6792, 49.5043)
Luminance	0.1768 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A77BB #BB7E3A

analogous

#3AB7BB #3A77BB #3D3ABB

triadic

#3A77BB #BB3A77 #77BB3A

tetradic

#3A77BB #BB3AB7 #BB7E3A #3ABB3D

square

#3A77BB #BB3AB7 #BB7E3A #3ABB3D

split-complementary

#3A77BB #BB3D3A #B7BB3A

monochromatic

#1D3C5E #2C598C #3A77BB #6396CF #92B6DD

Accessibility & contrast

On white

4.63

#3A77BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#3A77BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A77BB

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A77BB	#FFFFFF	#000000	##FFFFFF
##3A77BB	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597BBE

Deuteranopia (green-blind)

#466FBA

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3a77bb;
/* rgb */ color: rgb(58, 119, 187);
/* oklch */ color: oklch(56.1% 0.123 253.0);

Tailwind

colors: {
  custom: {
    50: '#7f9dd0',
    500: '#3a77bb',
    950: '#000000',
  },
}

SCSS

$custom: #3a77bb;
$custom-light: #7f9dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a77bb",
  "rgb": {
    "r": 58,
    "g": 119,
    "b": 187
  },
  "hsl": {
    "h": 211.628,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.56142,
    "c": 0.12343,
    "h": 253
  },
  "luminance": 0.17681
}

Semantic roles & 50–950 ramp

primary

#3A77BB

secondary

#C8AA88

accent

#984CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3A77BB

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

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