#4075CF#4075CF

#4075CF is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.2% C 0.150 H 260.3°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4075CF
RGB	rgb(64, 117, 207)
HSL	hsl(218, 60%, 53%)
HSV	hsv(218, 69%, 81%)
CMYK	cmyk(69.1%, 43.5%, 0%, 18.8%)
CIE-LAB	lab(49.88, 12.12, -51.76)
CIE-LCH	lch(49.88, 53.16, 283.18°)
OKLab	oklab(57.17% -0.0253 -0.1479)
OKLCH	oklch(57.17% 0.15 260.3)
XYZ	xyz(19.7341, 18.3155, 61.5146)
Luminance	0.1832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4075CF #CF9A40

analogous

#40BDCF #4075CF #5240CF

triadic

#4075CF #CF4075 #75CF40

tetradic

#4075CF #CF40BD #CF9A40 #40CF52

square

#4075CF #CF40BD #CF9A40 #40CF52

split-complementary

#4075CF #CF5240 #BDCF40

monochromatic

#1E3F77 #2A59A8 #4075CF #7198DB #A2BCE8

Accessibility & contrast

On white

4.50

#4075CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#4075CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4075CF

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4075CF	#FFFFFF	#000000	##000000
##4075CF	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#497ED2

Deuteranopia (green-blind)

#3070CD

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4075cf;
/* rgb */ color: rgb(64, 117, 207);
/* oklch */ color: oklch(57.2% 0.150 260.3);

Tailwind

colors: {
  custom: {
    50: '#859cde',
    500: '#4075cf',
    950: '#000000',
  },
}

SCSS

$custom: #4075cf;
$custom-light: #859cde;
$custom-dark: #000000;

JSON

{
  "hex": "#4075cf",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 207
  },
  "hsl": {
    "h": 217.762,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.57167,
    "c": 0.1501,
    "h": 260.3
  },
  "luminance": 0.18318
}

Semantic roles & 50–950 ramp

primary

#4075CF

secondary

#D4BD97

accent

#A845E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4075CF

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

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