#4033A2#4033A2

#4033A2 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.9% C 0.171 H 281.0°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#4033A2
RGB	rgb(64, 51, 162)
HSL	hsl(247, 52%, 42%)
HSV	hsv(247, 69%, 64%)
CMYK	cmyk(60.5%, 68.5%, 0%, 36.5%)
CIE-LAB	lab(29.58, 38.15, -58.20)
CIE-LCH	lch(29.58, 69.59, 303.24°)
OKLab	oklab(40.92% 0.0327 -0.1676)
OKLCH	oklch(40.92% 0.171 281)
XYZ	xyz(9.8177, 6.0656, 34.8288)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.12

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4033A2 #95A233

analogous

#335EA2 #4033A2 #7833A2

triadic

#4033A2 #A24033 #33A240

tetradic

#4033A2 #A2335E #95A233 #33A278

square

#4033A2 #A2335E #95A233 #33A278

split-complementary

#4033A2 #A27833 #5EA233

monochromatic

#1B1645 #2E2473 #4033A2 #5A4CC7 #857AD5

Accessibility & contrast

On white

9.49

#4033A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#4033A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4033A2

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4033A2	#FFFFFF	#000000	##FFFFFF
##4033A2	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA5

Deuteranopia (green-blind)

#0042A0

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #4033a2;
/* rgb */ color: rgb(64, 51, 162);
/* oklch */ color: oklch(40.9% 0.171 281.0);

Tailwind

colors: {
  custom: {
    50: '#806cbe',
    500: '#4033a2',
    950: '#000000',
  },
}

SCSS

$custom: #4033a2;
$custom-light: #806cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#4033a2",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 162
  },
  "hsl": {
    "h": 247.027,
    "s": 52.113,
    "l": 41.765
  },
  "oklch": {
    "l": 0.40915,
    "c": 0.17077,
    "h": 281
  },
  "luminance": 0.06066
}

Semantic roles & 50–950 ramp

primary

#4033A2

secondary

#B5BE73

accent

#DC4CCB

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #4033A2

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

Preview Lab → · Contrast checker → · Palette generator →