#3A77DF#3A77DF

#3A77DF is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.4% C 0.171 H 260.3°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3A77DF
RGB	rgb(58, 119, 223)
HSL	hsl(218, 72%, 55%)
HSV	hsv(218, 74%, 87%)
CMYK	cmyk(74%, 46.6%, 0%, 12.5%)
CIE-LAB	lab(51.17, 15.85, -58.75)
CIE-LCH	lch(51.17, 60.85, 285.10°)
OKLab	oklab(58.41% -0.0287 -0.1686)
OKLCH	oklch(58.41% 0.171 260.3)
XYZ	xyz(21.6562, 19.4185, 72.4045)
Luminance	0.1942 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A77DF #DFA23A

analogous

#3ACADF #3A77DF #4F3ADF

triadic

#3A77DF #DF3A77 #77DF3A

tetradic

#3A77DF #DF3ACA #DFA23A #3ADF4F

square

#3A77DF #DF3ACA #DFA23A #3ADF4F

split-complementary

#3A77DF #DF4F3A #CADF3A

monochromatic

#164088 #1F59BD #3A77DF #6F9BE8 #A3C0F0

Accessibility & contrast

On white

4.30

#3A77DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#3A77DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A77DF

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A77DF	#FFFFFF	#000000	##000000
##3A77DF	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F82E3

Deuteranopia (green-blind)

#1273DD

Tritanopia (blue-blind)

#0090A0

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3a77df;
/* rgb */ color: rgb(58, 119, 223);
/* oklch */ color: oklch(58.4% 0.171 260.3);

Tailwind

colors: {
  custom: {
    50: '#859dea',
    500: '#3a77df',
    950: '#000000',
  },
}

SCSS

$custom: #3a77df;
$custom-light: #859dea;
$custom-dark: #000000;

JSON

{
  "hex": "#3a77df",
  "rgb": {
    "r": 58,
    "g": 119,
    "b": 223
  },
  "hsl": {
    "h": 217.818,
    "s": 72.052,
    "l": 55.098
  },
  "oklch": {
    "l": 0.58415,
    "c": 0.171,
    "h": 260.3
  },
  "luminance": 0.19421
}

Semantic roles & 50–950 ramp

primary

#3A77DF

secondary

#DDC398

accent

#AC39EF

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #3A77DF

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

Preview Lab → · Contrast checker → · Palette generator →