#3A77B3#3A77B3

#3A77B3 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.7% C 0.113 H 250.2°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3A77B3
RGB	rgb(58, 119, 179)
HSL	hsl(210, 51%, 46%)
HSV	hsv(210, 68%, 70%)
CMYK	cmyk(67.6%, 33.5%, 0%, 29.8%)
CIE-LAB	lab(48.69, -0.07, -37.57)
CIE-LCH	lch(48.69, 37.57, 269.90°)
OKLab	oklab(55.68% -0.0383 -0.1064)
OKLCH	oklch(55.68% 0.113 250.2)
XYZ	xyz(16.4754, 17.3462, 45.1190)
Luminance	0.1735 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A77B3 #B3763A

analogous

#3AB3B3 #3A77B3 #3A3BB3

triadic

#3A77B3 #B33A77 #77B33A

tetradic

#3A77B3 #B33AB3 #B3763A #3BB33A

square

#3A77B3 #B33AB3 #B3763A #3BB33A

split-complementary

#3A77B3 #B33A3B #B3B33A

monochromatic

#1C3A57 #2B5885 #3A77B3 #5F96CB #8DB4DA

Accessibility & contrast

On white

4.70

#3A77B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#3A77B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A77B3

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A77B3	#FFFFFF	#000000	##FFFFFF
##3A77B3	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7AB6

Deuteranopia (green-blind)

#4C6EB2

Tritanopia (blue-blind)

#00858D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3a77b3;
/* rgb */ color: rgb(58, 119, 179);
/* oklch */ color: oklch(55.7% 0.113 250.2);

Tailwind

colors: {
  custom: {
    50: '#7d9dca',
    500: '#3a77b3',
    950: '#000000',
  },
}

SCSS

$custom: #3a77b3;
$custom-light: #7d9dca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a77b3",
  "rgb": {
    "r": 58,
    "g": 119,
    "b": 179
  },
  "hsl": {
    "h": 209.752,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.55685,
    "c": 0.11311,
    "h": 250.2
  },
  "luminance": 0.17348
}

Semantic roles & 50–950 ramp

primary

#3A77B3

secondary

#C5A484

accent

#934DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3A77B3

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

Preview Lab → · Contrast checker → · Palette generator →