#4077DB#4077DB

#4077DB is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.4% C 0.164 H 261.2°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#4077DB
RGB	rgb(64, 119, 219)
HSL	hsl(219, 68%, 55%)
HSV	hsv(219, 71%, 86%)
CMYK	cmyk(70.8%, 45.7%, 0%, 14.1%)
CIE-LAB	lab(51.15, 15.19, -56.53)
CIE-LCH	lch(51.15, 58.53, 285.04°)
OKLab	oklab(58.38% -0.025 -0.1619)
OKLCH	oklch(58.38% 0.164 261.2)
XYZ	xyz(21.4928, 19.3958, 69.6152)
Luminance	0.1940 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4077DB #DBA440

analogous

#40C4DB #4077DB #5740DB

triadic

#4077DB #DB4077 #77DB40

tetradic

#4077DB #DB40C4 #DBA440 #40DB57

square

#4077DB #DB40C4 #DBA440 #40DB57

split-complementary

#4077DB #DB5740 #C4DB40

monochromatic

#194087 #2359BB #4077DB #739CE5 #A7C0EE

Accessibility & contrast

On white

4.30

#4077DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#4077DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4077DB

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4077DB	#FFFFFF	#000000	##000000
##4077DB	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)

#4381DF

Deuteranopia (green-blind)

#2273D9

Tritanopia (blue-blind)

#008E9E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4077db;
/* rgb */ color: rgb(64, 119, 219);
/* oklch */ color: oklch(58.4% 0.164 261.2);

Tailwind

colors: {
  custom: {
    50: '#879de7',
    500: '#4077db',
    950: '#000000',
  },
}

SCSS

$custom: #4077db;
$custom-light: #879de7;
$custom-dark: #000000;

JSON

{
  "hex": "#4077db",
  "rgb": {
    "r": 64,
    "g": 119,
    "b": 219
  },
  "hsl": {
    "h": 218.71,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.58377,
    "c": 0.16386,
    "h": 261.2
  },
  "luminance": 0.19398
}

Semantic roles & 50–950 ramp

primary

#4077DB

secondary

#DCC59B

accent

#AD3DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4077DB

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

Preview Lab → · Contrast checker → · Palette generator →