#3D77DB#3D77DB

#3D77DB is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.3% C 0.165 H 260.5°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3D77DB
RGB	rgb(61, 119, 219)
HSL	hsl(218, 69%, 55%)
HSV	hsv(218, 72%, 86%)
CMYK	cmyk(72.1%, 45.7%, 0%, 14.1%)
CIE-LAB	lab(51.03, 14.78, -56.71)
CIE-LCH	lch(51.03, 58.61, 284.61°)
OKLab	oklab(58.26% -0.0272 -0.1625)
OKLCH	oklch(58.26% 0.165 260.5)
XYZ	xyz(21.3029, 19.2979, 69.6063)
Luminance	0.1930 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D77DB #DBA13D

analogous

#3DC6DB #3D77DB #523DDB

triadic

#3D77DB #DB3D77 #77DB3D

tetradic

#3D77DB #DB3DC6 #DBA13D #3DDB52

square

#3D77DB #DB3DC6 #DBA13D #3DDB52

split-complementary

#3D77DB #DB523D #C6DB3D

monochromatic

#194085 #2259B9 #3D77DB #719BE5 #A4BFEE

Accessibility & contrast

On white

4.32

#3D77DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#3D77DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D77DB

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D77DB	#FFFFFF	#000000	##000000
##3D77DB	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4381DF

Deuteranopia (green-blind)

#2073D9

Tritanopia (blue-blind)

#008F9E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3d77db;
/* rgb */ color: rgb(61, 119, 219);
/* oklch */ color: oklch(58.3% 0.165 260.5);

Tailwind

colors: {
  custom: {
    50: '#869de7',
    500: '#3d77db',
    950: '#000000',
  },
}

SCSS

$custom: #3d77db;
$custom-light: #869de7;
$custom-dark: #000000;

JSON

{
  "hex": "#3d77db",
  "rgb": {
    "r": 61,
    "g": 119,
    "b": 219
  },
  "hsl": {
    "h": 217.975,
    "s": 68.696,
    "l": 54.902
  },
  "oklch": {
    "l": 0.58259,
    "c": 0.1648,
    "h": 260.5
  },
  "luminance": 0.193
}

Semantic roles & 50–950 ramp

primary

#3D77DB

secondary

#DBC399

accent

#AB3CEC

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #3D77DB

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

Preview Lab → · Contrast checker → · Palette generator →