#4071CA#4071CA

#4071CA is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.0% C 0.148 H 261.3°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4071CA
RGB	rgb(64, 113, 202)
HSL	hsl(219, 57%, 52%)
HSV	hsv(219, 68%, 79%)
CMYK	cmyk(68.3%, 44.1%, 0%, 20.8%)
CIE-LAB	lab(48.46, 12.82, -51.16)
CIE-LCH	lch(48.46, 52.74, 284.07°)
OKLab	oklab(55.98% -0.0225 -0.1463)
OKLCH	oklch(55.98% 0.148 261.3)
XYZ	xyz(18.6764, 17.1626, 58.1941)
Luminance	0.1716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071CA #CA9940

analogous

#40B6CA #4071CA #5440CA

triadic

#4071CA #CA4071 #71CA40

tetradic

#4071CA #CA40B6 #CA9940 #40CA54

square

#4071CA #CA40B6 #CA9940 #40CA54

split-complementary

#4071CA #CA5440 #B6CA40

monochromatic

#1F3C70 #2C56A0 #4071CA #7095D7 #A0B8E5

Accessibility & contrast

On white

4.74

#4071CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#4071CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4071CA

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071CA	#FFFFFF	#000000	##FFFFFF
##4071CA	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467ACD

Deuteranopia (green-blind)

#2D6DC8

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4071ca;
/* rgb */ color: rgb(64, 113, 202);
/* oklch */ color: oklch(56.0% 0.148 261.3);

Tailwind

colors: {
  custom: {
    50: '#8499db',
    500: '#4071ca',
    950: '#000000',
  },
}

SCSS

$custom: #4071ca;
$custom-light: #8499db;
$custom-dark: #000000;

JSON

{
  "hex": "#4071ca",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 202
  },
  "hsl": {
    "h": 218.696,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55983,
    "c": 0.14798,
    "h": 261.3
  },
  "luminance": 0.17165
}

Semantic roles & 50–950 ramp

primary

#4071CA

secondary

#D1BC95

accent

#AA48E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4071CA

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

Preview Lab → · Contrast checker → · Palette generator →