#4077CC#4077CC

#4077CC is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.4% C 0.144 H 258.9°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4077CC
RGB	rgb(64, 119, 204)
HSL	hsl(216, 58%, 53%)
HSV	hsv(216, 69%, 80%)
CMYK	cmyk(68.6%, 41.7%, 0%, 20%)
CIE-LAB	lab(50.26, 9.81, -49.43)
CIE-LCH	lch(50.26, 50.39, 281.22°)
OKLab	oklab(57.41% -0.0277 -0.1411)
OKLCH	oklch(57.41% 0.144 258.9)
XYZ	xyz(19.6063, 18.6413, 59.6799)
Luminance	0.1864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4077CC #CC9540

analogous

#40BDCC #4077CC #4F40CC

triadic

#4077CC #CC4077 #77CC40

tetradic

#4077CC #CC40BD #CC9540 #40CC4F

square

#4077CC #CC40BD #CC9540 #40CC4F

split-complementary

#4077CC #CC4F40 #BDCC40

monochromatic

#1F4073 #2C5BA3 #4077CC #7099D9 #A1BCE6

Accessibility & contrast

On white

4.44

#4077CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#4077CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4077CC

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4077CC	#FFFFFF	#000000	##000000
##4077CC	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7FCF

Deuteranopia (green-blind)

#3872CA

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4077cc;
/* rgb */ color: rgb(64, 119, 204);
/* oklch */ color: oklch(57.4% 0.144 258.9);

Tailwind

colors: {
  custom: {
    50: '#849ddc',
    500: '#4077cc',
    950: '#000000',
  },
}

SCSS

$custom: #4077cc;
$custom-light: #849ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#4077cc",
  "rgb": {
    "r": 64,
    "g": 119,
    "b": 204
  },
  "hsl": {
    "h": 216.429,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57412,
    "c": 0.14378,
    "h": 258.9
  },
  "luminance": 0.18643
}

Semantic roles & 50–950 ramp

primary

#4077CC

secondary

#D2BA95

accent

#A447E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4077CC

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

Preview Lab → · Contrast checker → · Palette generator →