#3A77B5#3A77B5

#3A77B5 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.8% C 0.116 H 251.0°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3A77B5
RGB	rgb(58, 119, 181)
HSL	hsl(210, 51%, 47%)
HSV	hsv(210, 68%, 71%)
CMYK	cmyk(68%, 34.3%, 0%, 29%)
CIE-LAB	lab(48.79, 0.64, -38.56)
CIE-LCH	lch(48.79, 38.57, 270.95°)
OKLab	oklab(55.8% -0.0377 -0.1093)
OKLCH	oklch(55.8% 0.116 251)
XYZ	xyz(16.6791, 17.4277, 46.1920)
Luminance	0.1743 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A77B5 #B5783A

analogous

#3AB5B5 #3A77B5 #3B3AB5

triadic

#3A77B5 #B53A77 #77B53A

tetradic

#3A77B5 #B53AB5 #B5783A #3AB53B

square

#3A77B5 #B53AB5 #B5783A #3AB53B

split-complementary

#3A77B5 #B53B3A #B5B53A

monochromatic

#1C3A58 #2B5987 #3A77B5 #6096CC #8EB4DB

Accessibility & contrast

On white

4.68

#3A77B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#3A77B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A77B5

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A77B5	#FFFFFF	#000000	##FFFFFF
##3A77B5	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7AB8

Deuteranopia (green-blind)

#4A6FB4

Tritanopia (blue-blind)

#00868D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3a77b5;
/* rgb */ color: rgb(58, 119, 181);
/* oklch */ color: oklch(55.8% 0.116 251.0);

Tailwind

colors: {
  custom: {
    50: '#7e9dcb',
    500: '#3a77b5',
    950: '#000000',
  },
}

SCSS

$custom: #3a77b5;
$custom-light: #7e9dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a77b5",
  "rgb": {
    "r": 58,
    "g": 119,
    "b": 181
  },
  "hsl": {
    "h": 210.244,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55798,
    "c": 0.11567,
    "h": 251
  },
  "luminance": 0.17429
}

Semantic roles & 50–950 ramp

primary

#3A77B5

secondary

#C6A685

accent

#944DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3A77B5

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

Preview Lab → · Contrast checker → · Palette generator →