#4077CF#4077CF

#4077CF is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.6% C 0.148 H 259.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4077CF
RGB	rgb(64, 119, 207)
HSL	hsl(217, 60%, 53%)
HSV	hsv(217, 69%, 81%)
CMYK	cmyk(69.1%, 42.5%, 0%, 18.8%)
CIE-LAB	lab(50.44, 10.88, -50.86)
CIE-LCH	lch(50.44, 52.01, 282.07°)
OKLab	oklab(57.6% -0.0271 -0.1453)
OKLCH	oklch(57.6% 0.148 259.4)
XYZ	xyz(19.9696, 18.7866, 61.5931)
Luminance	0.1879 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4077CF #CF9840

analogous

#40BFCF #4077CF #5040CF

triadic

#4077CF #CF4077 #77CF40

tetradic

#4077CF #CF40BF #CF9840 #40CF50

square

#4077CF #CF40BF #CF9840 #40CF50

split-complementary

#4077CF #CF5040 #BFCF40

monochromatic

#1E4077 #2A5AA8 #4077CF #719ADB #A2BDE8

Accessibility & contrast

On white

4.41

#4077CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#4077CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4077CF

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4077CF	#FFFFFF	#000000	##000000
##4077CF	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7FD2

Deuteranopia (green-blind)

#3572CD

Tritanopia (blue-blind)

#008B99

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4077cf;
/* rgb */ color: rgb(64, 119, 207);
/* oklch */ color: oklch(57.6% 0.148 259.4);

Tailwind

colors: {
  custom: {
    50: '#859dde',
    500: '#4077cf',
    950: '#000000',
  },
}

SCSS

$custom: #4077cf;
$custom-light: #859dde;
$custom-dark: #000000;

JSON

{
  "hex": "#4077cf",
  "rgb": {
    "r": 64,
    "g": 119,
    "b": 207
  },
  "hsl": {
    "h": 216.923,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.576,
    "c": 0.1478,
    "h": 259.4
  },
  "luminance": 0.18789
}

Semantic roles & 50–950 ramp

primary

#4077CF

secondary

#D4BD97

accent

#A645E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4077CF

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

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