#3B77DE#3B77DE

#3B77DE is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.4% C 0.169 H 260.4°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3B77DE
RGB	rgb(59, 119, 222)
HSL	hsl(218, 71%, 55%)
HSV	hsv(218, 73%, 87%)
CMYK	cmyk(73.4%, 46.4%, 0%, 12.9%)
CIE-LAB	lab(51.15, 15.61, -58.23)
CIE-LCH	lch(51.15, 60.29, 285.00°)
OKLab	oklab(58.38% -0.0281 -0.167)
OKLCH	oklch(58.38% 0.169 260.4)
XYZ	xyz(21.5805, 19.3950, 71.6993)
Luminance	0.1940 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B77DE #DEA23B

analogous

#3BC9DE #3B77DE #503BDE

triadic

#3B77DE #DE3B77 #77DE3B

tetradic

#3B77DE #DE3BC9 #DEA23B #3BDE50

square

#3B77DE #DE3BC9 #DEA23B #3BDE50

split-complementary

#3B77DE #DE503B #C9DE3B

monochromatic

#174088 #2059BC #3B77DE #6F9BE7 #A4C0F0

Accessibility & contrast

On white

4.30

#3B77DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#3B77DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B77DE

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B77DE	#FFFFFF	#000000	##000000
##3B77DE	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)

#4082E2

Deuteranopia (green-blind)

#1773DC

Tritanopia (blue-blind)

#008FA0

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3b77de;
/* rgb */ color: rgb(59, 119, 222);
/* oklch */ color: oklch(58.4% 0.169 260.4);

Tailwind

colors: {
  custom: {
    50: '#869de9',
    500: '#3b77de',
    950: '#000000',
  },
}

SCSS

$custom: #3b77de;
$custom-light: #869de9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b77de",
  "rgb": {
    "r": 59,
    "g": 119,
    "b": 222
  },
  "hsl": {
    "h": 217.914,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.58384,
    "c": 0.16938,
    "h": 260.4
  },
  "luminance": 0.19397
}

Semantic roles & 50–950 ramp

primary

#3B77DE

secondary

#DDC398

accent

#AC3AEE

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #3B77DE

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

Preview Lab → · Contrast checker → · Palette generator →