#3D77D2#3D77D2

#3D77D2 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.7% C 0.153 H 259.1°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3D77D2
RGB	rgb(61, 119, 210)
HSL	hsl(217, 62%, 53%)
HSV	hsv(217, 71%, 82%)
CMYK	cmyk(71%, 43.3%, 0%, 17.6%)
CIE-LAB	lab(50.50, 11.52, -52.48)
CIE-LCH	lch(50.50, 53.73, 282.38°)
OKLab	oklab(57.67% -0.0288 -0.1501)
OKLCH	oklch(57.67% 0.153 259.1)
XYZ	xyz(20.1499, 18.8367, 63.5342)
Luminance	0.1884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D77D2 #D2983D

analogous

#3DC2D2 #3D77D2 #4D3DD2

triadic

#3D77D2 #D23D77 #77D23D

tetradic

#3D77D2 #D23DC2 #D2983D #3DD24D

square

#3D77D2 #D23DC2 #D2983D #3DD24D

split-complementary

#3D77D2 #D24D3D #C2D23D

monochromatic

#1C4079 #285AAA #3D77D2 #6F9ADE #A0BDE9

Accessibility & contrast

On white

4.40

#3D77D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#3D77D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D77D2

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D77D2	#FFFFFF	#000000	##000000
##3D77D2	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A80D6

Deuteranopia (green-blind)

#2F72D0

Tritanopia (blue-blind)

#008C9A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3d77d2;
/* rgb */ color: rgb(61, 119, 210);
/* oklch */ color: oklch(57.7% 0.153 259.1);

Tailwind

colors: {
  custom: {
    50: '#849de0',
    500: '#3d77d2',
    950: '#000000',
  },
}

SCSS

$custom: #3d77d2;
$custom-light: #849de0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d77d2",
  "rgb": {
    "r": 61,
    "g": 119,
    "b": 210
  },
  "hsl": {
    "h": 216.644,
    "s": 62.343,
    "l": 53.137
  },
  "oklch": {
    "l": 0.5767,
    "c": 0.15283,
    "h": 259.1
  },
  "luminance": 0.18839
}

Semantic roles & 50–950 ramp

primary

#3D77D2

secondary

#D6BD95

accent

#A642E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D77D2

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

Preview Lab → · Contrast checker → · Palette generator →