#4047A2#4047A2

#4047A2 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.5% C 0.145 H 275.5°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#4047A2
RGB	rgb(64, 71, 162)
HSL	hsl(236, 43%, 44%)
HSV	hsv(236, 60%, 64%)
CMYK	cmyk(60.5%, 56.2%, 0%, 36.5%)
CIE-LAB	lab(34.40, 25.56, -50.34)
CIE-LCH	lch(34.40, 56.46, 296.92°)
OKLab	oklab(44.46% 0.0139 -0.1444)
OKLCH	oklch(44.46% 0.145 275.5)
XYZ	xyz(10.8871, 8.2043, 35.1853)
Luminance	0.0820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4047A2 #A29B40

analogous

#4078A2 #4047A2 #6A40A2

triadic

#4047A2 #A24047 #47A240

tetradic

#4047A2 #A24078 #A29B40 #40A26A

square

#4047A2 #A24078 #A29B40 #40A26A

split-complementary

#4047A2 #A26A40 #78A240

monochromatic

#1D214A #2F3476 #4047A2 #5F66C0 #8B90D1

Accessibility & contrast

On white

7.95

#4047A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#4047A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4047A2

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4047A2	#FFFFFF	#000000	##FFFFFF
##4047A2	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A5

Deuteranopia (green-blind)

#004DA0

Tritanopia (blue-blind)

#005C6D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4047a2;
/* rgb */ color: rgb(64, 71, 162);
/* oklch */ color: oklch(44.5% 0.145 275.5);

Tailwind

colors: {
  custom: {
    50: '#7e7abe',
    500: '#4047a2',
    950: '#000000',
  },
}

SCSS

$custom: #4047a2;
$custom-light: #7e7abe;
$custom-dark: #000000;

JSON

{
  "hex": "#4047a2",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 162
  },
  "hsl": {
    "h": 235.714,
    "s": 43.363,
    "l": 44.314
  },
  "oklch": {
    "l": 0.44459,
    "c": 0.14509,
    "h": 275.5
  },
  "luminance": 0.08205
}

Semantic roles & 50–950 ramp

primary

#4047A2

secondary

#BCB882

accent

#CA55D3

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #4047A2

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

Preview Lab → · Contrast checker → · Palette generator →