#4075EF#4075EF

#4075EF is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.3% C 0.193 H 263.8°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#4075EF
RGB	rgb(64, 117, 239)
HSL	hsl(222, 85%, 59%)
HSV	hsv(222, 73%, 94%)
CMYK	cmyk(73.2%, 51%, 0%, 6.3%)
CIE-LAB	lab(51.88, 23.64, -66.57)
CIE-LCH	lch(51.88, 70.64, 289.55°)
OKLab	oklab(59.35% -0.0207 -0.1915)
OKLCH	oklch(59.35% 0.193 263.8)
XYZ	xyz(24.0501, 20.0419, 84.2456)
Luminance	0.2004 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4075EF #EFBA40

analogous

#40CCEF #4075EF #6340EF

triadic

#4075EF #EF4075 #75EF40

tetradic

#4075EF #EF40CC #EFBA40 #40EF63

square

#4075EF #EF40CC #EFBA40 #40EF63

split-complementary

#4075EF #EF6340 #CCEF40

monochromatic

#0E3CA7 #1351DF #4075EF #789EF4 #B1C7F8

Accessibility & contrast

On white

4.19

#4075EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#4075EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4075EF

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4075EF	#FFFFFF	#000000	##000000
##4075EF	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2584F3

Deuteranopia (green-blind)

#0074ED

Tritanopia (blue-blind)

#0092A7

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4075ef;
/* rgb */ color: rgb(64, 117, 239);
/* oklch */ color: oklch(59.3% 0.193 263.8);

Tailwind

colors: {
  custom: {
    50: '#8b9cf5',
    500: '#4075ef',
    950: '#000000',
  },
}

SCSS

$custom: #4075ef;
$custom-light: #8b9cf5;
$custom-dark: #000000;

JSON

{
  "hex": "#4075ef",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 239
  },
  "hsl": {
    "h": 221.829,
    "s": 84.541,
    "l": 59.412
  },
  "oklch": {
    "l": 0.59349,
    "c": 0.19264,
    "h": 263.8
  },
  "luminance": 0.20045
}

Semantic roles & 50–950 ramp

primary

#4075EF

secondary

#E7D3A3

accent

#BC2DFB

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4075EF

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

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