#3A77B2#3A77B2

#3A77B2 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.6% C 0.112 H 249.8°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3A77B2
RGB	rgb(58, 119, 178)
HSL	hsl(210, 51%, 46%)
HSV	hsv(210, 67%, 70%)
CMYK	cmyk(67.4%, 33.1%, 0%, 30.2%)
CIE-LAB	lab(48.64, -0.42, -37.07)
CIE-LCH	lch(48.64, 37.07, 269.35°)
OKLab	oklab(55.63% -0.0385 -0.105)
OKLCH	oklch(55.63% 0.112 249.8)
XYZ	xyz(16.3746, 17.3059, 44.5883)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A77B2 #B2753A

analogous

#3AB2B1 #3A77B2 #3A3BB2

triadic

#3A77B2 #B23A77 #77B23A

tetradic

#3A77B2 #B13AB2 #B2753A #3BB23A

square

#3A77B2 #B13AB2 #B2753A #3BB23A

split-complementary

#3A77B2 #B23A3B #B2B13A

monochromatic

#1C3956 #2B5884 #3A77B2 #5F96CB #8DB4DA

Accessibility & contrast

On white

4.71

#3A77B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#3A77B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A77B2

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A77B2	#FFFFFF	#000000	##FFFFFF
##3A77B2	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7AB5

Deuteranopia (green-blind)

#4C6EB1

Tritanopia (blue-blind)

#00858C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3a77b2;
/* rgb */ color: rgb(58, 119, 178);
/* oklch */ color: oklch(55.6% 0.112 249.8);

Tailwind

colors: {
  custom: {
    50: '#7d9dc9',
    500: '#3a77b2',
    950: '#000000',
  },
}

SCSS

$custom: #3a77b2;
$custom-light: #7d9dc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a77b2",
  "rgb": {
    "r": 58,
    "g": 119,
    "b": 178
  },
  "hsl": {
    "h": 209.5,
    "s": 50.847,
    "l": 46.275
  },
  "oklch": {
    "l": 0.5563,
    "c": 0.11183,
    "h": 249.8
  },
  "luminance": 0.17308
}

Semantic roles & 50–950 ramp

primary

#3A77B2

secondary

#C4A383

accent

#934DDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3A77B2

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

Preview Lab → · Contrast checker → · Palette generator →