#3A77B4#3A77B4

#3A77B4 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.7% C 0.114 H 250.6°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3A77B4
RGB	rgb(58, 119, 180)
HSL	hsl(210, 51%, 47%)
HSV	hsv(210, 68%, 71%)
CMYK	cmyk(67.8%, 33.9%, 0%, 29.4%)
CIE-LAB	lab(48.74, 0.29, -38.07)
CIE-LCH	lch(48.74, 38.07, 270.43°)
OKLab	oklab(55.74% -0.038 -0.1079)
OKLCH	oklch(55.74% 0.114 250.6)
XYZ	xyz(16.5769, 17.3868, 45.6535)
Luminance	0.1739 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A77B4 #B4773A

analogous

#3AB4B4 #3A77B4 #3A3AB4

triadic

#3A77B4 #B43A77 #77B43A

tetradic

#3A77B4 #B43AB4 #B4773A #3AB43A

square

#3A77B4 #B43AB4 #B4773A #3AB43A

split-complementary

#3A77B4 #B43A3A #B4B43A

monochromatic

#1C3A57 #2B5886 #3A77B4 #6096CC #8EB4DB

Accessibility & contrast

On white

4.69

#3A77B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3A77B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A77B4

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A77B4	#FFFFFF	#000000	##FFFFFF
##3A77B4	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7AB7

Deuteranopia (green-blind)

#4B6FB3

Tritanopia (blue-blind)

#00858D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3a77b4;
/* rgb */ color: rgb(58, 119, 180);
/* oklch */ color: oklch(55.7% 0.114 250.6);

Tailwind

colors: {
  custom: {
    50: '#7d9dcb',
    500: '#3a77b4',
    950: '#000000',
  },
}

SCSS

$custom: #3a77b4;
$custom-light: #7d9dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a77b4",
  "rgb": {
    "r": 58,
    "g": 119,
    "b": 180
  },
  "hsl": {
    "h": 210,
    "s": 51.261,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55742,
    "c": 0.11439,
    "h": 250.6
  },
  "luminance": 0.17388
}

Semantic roles & 50–950 ramp

primary

#3A77B4

secondary

#C5A585

accent

#944DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3A77B4

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

Preview Lab → · Contrast checker → · Palette generator →