#4075BB#4075BB

#4075BB is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.9% C 0.123 H 256.1°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4075BB
RGB	rgb(64, 117, 187)
HSL	hsl(214, 49%, 49%)
HSV	hsv(214, 66%, 73%)
CMYK	cmyk(65.8%, 37.4%, 0%, 26.7%)
CIE-LAB	lab(48.76, 5.00, -42.07)
CIE-LCH	lch(48.76, 42.37, 276.78°)
OKLab	oklab(55.94% -0.0296 -0.1195)
OKLCH	oklch(55.94% 0.123 256.1)
XYZ	xyz(17.4420, 17.3987, 49.4432)
Luminance	0.1740 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4075BB #BB8640

analogous

#40B3BB #4075BB #4840BB

triadic

#4075BB #BB4075 #75BB40

tetradic

#4075BB #BB40B3 #BB8640 #40BB48

square

#4075BB #BB40B3 #BB8640 #40BB48

split-complementary

#4075BB #BB4840 #B3BB40

monochromatic

#213C60 #30588D #4075BB #6C95CD #99B6DC

Accessibility & contrast

On white

4.69

#4075BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#4075BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4075BB

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4075BB	#FFFFFF	#000000	##FFFFFF
##4075BB	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#567ABE

Deuteranopia (green-blind)

#446FBA

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4075bb;
/* rgb */ color: rgb(64, 117, 187);
/* oklch */ color: oklch(55.9% 0.123 256.1);

Tailwind

colors: {
  custom: {
    50: '#819cd0',
    500: '#4075bb',
    950: '#000000',
  },
}

SCSS

$custom: #4075bb;
$custom-light: #819cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4075bb",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 187
  },
  "hsl": {
    "h": 214.146,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55937,
    "c": 0.12316,
    "h": 256.1
  },
  "luminance": 0.174
}

Semantic roles & 50–950 ramp

primary

#4075BB

secondary

#C8AF8F

accent

#9D4FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #4075BB

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

Preview Lab → · Contrast checker → · Palette generator →