#4075D9#4075D9

#4075D9 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.8% C 0.164 H 261.7°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4075D9
RGB	rgb(64, 117, 217)
HSL	hsl(219, 67%, 55%)
HSV	hsv(219, 71%, 85%)
CMYK	cmyk(70.5%, 46.1%, 0%, 14.9%)
CIE-LAB	lab(50.48, 15.72, -56.47)
CIE-LCH	lch(50.48, 58.62, 285.55°)
OKLab	oklab(57.82% -0.0236 -0.1618)
OKLCH	oklch(57.82% 0.164 261.7)
XYZ	xyz(20.9956, 18.8201, 68.1583)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4075D9 #D9A440

analogous

#40C1D9 #4075D9 #5840D9

triadic

#4075D9 #D94075 #75D940

tetradic

#4075D9 #D940C1 #D9A440 #40D958

square

#4075D9 #D940C1 #D9A440 #40D958

split-complementary

#4075D9 #D95840 #C1D940

monochromatic

#1A3F84 #2457B7 #4075D9 #739AE3 #A6BFED

Accessibility & contrast

On white

4.41

#4075D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#4075D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4075D9

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4075D9	#FFFFFF	#000000	##000000
##4075D9	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)

#4180DD

Deuteranopia (green-blind)

#1F72D7

Tritanopia (blue-blind)

#008C9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4075d9;
/* rgb */ color: rgb(64, 117, 217);
/* oklch */ color: oklch(57.8% 0.164 261.7);

Tailwind

colors: {
  custom: {
    50: '#879ce5',
    500: '#4075d9',
    950: '#000000',
  },
}

SCSS

$custom: #4075d9;
$custom-light: #879ce5;
$custom-dark: #000000;

JSON

{
  "hex": "#4075d9",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 217
  },
  "hsl": {
    "h": 219.216,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.57822,
    "c": 0.16353,
    "h": 261.7
  },
  "luminance": 0.18822
}

Semantic roles & 50–950 ramp

primary

#4075D9

secondary

#DAC49A

accent

#AE3EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #4075D9

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

Preview Lab → · Contrast checker → · Palette generator →