#3A77D2#3A77D2

#3A77D2 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.6% C 0.154 H 258.4°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3A77D2
RGB	rgb(58, 119, 210)
HSL	hsl(216, 63%, 53%)
HSV	hsv(216, 72%, 82%)
CMYK	cmyk(72.4%, 43.3%, 0%, 17.6%)
CIE-LAB	lab(50.39, 11.10, -52.66)
CIE-LCH	lch(50.39, 53.82, 281.90°)
OKLab	oklab(57.56% -0.0309 -0.1507)
OKLCH	oklch(57.56% 0.154 258.4)
XYZ	xyz(19.9704, 18.7442, 63.5258)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A77D2 #D2953A

analogous

#3AC3D2 #3A77D2 #493AD2

triadic

#3A77D2 #D23A77 #77D23A

tetradic

#3A77D2 #D23AC3 #D2953A #3AD249

square

#3A77D2 #D23AC3 #D2953A #3AD249

split-complementary

#3A77D2 #D2493A #C3D23A

monochromatic

#1B4077 #265BA8 #3A77D2 #6C99DD #9EBCE9

Accessibility & contrast

On white

4.42

#3A77D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#3A77D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A77D2

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A77D2	#FFFFFF	#000000	##000000
##3A77D2	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7FD6

Deuteranopia (green-blind)

#2E71D0

Tritanopia (blue-blind)

#008C9A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a77d2;
/* rgb */ color: rgb(58, 119, 210);
/* oklch */ color: oklch(57.6% 0.154 258.4);

Tailwind

colors: {
  custom: {
    50: '#839de0',
    500: '#3a77d2',
    950: '#000000',
  },
}

SCSS

$custom: #3a77d2;
$custom-light: #839de0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a77d2",
  "rgb": {
    "r": 58,
    "g": 119,
    "b": 210
  },
  "hsl": {
    "h": 215.921,
    "s": 62.81,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57555,
    "c": 0.1538,
    "h": 258.4
  },
  "luminance": 0.18746
}

Semantic roles & 50–950 ramp

primary

#3A77D2

secondary

#D5BA93

accent

#A442E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A77D2

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

Preview Lab → · Contrast checker → · Palette generator →