#4531BB#4531BB

#4531BB is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.4% C 0.203 H 280.3°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#4531BB
RGB	rgb(69, 49, 187)
HSL	hsl(249, 58%, 46%)
HSV	hsv(249, 74%, 73%)
CMYK	cmyk(63.1%, 73.8%, 0%, 26.7%)
CIE-LAB	lab(31.92, 47.86, -69.29)
CIE-LCH	lch(31.92, 84.21, 304.63°)
OKLab	oklab(43.4% 0.0364 -0.1999)
OKLCH	oklch(43.4% 0.203 280.3)
XYZ	xyz(12.5194, 7.0487, 47.7049)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4531BB #A7BB31

analogous

#3162BB #4531BB #8A31BB

triadic

#4531BB #BB4531 #31BB45

tetradic

#4531BB #BB3162 #A7BB31 #31BB8A

square

#4531BB #BB3162 #A7BB31 #31BB8A

split-complementary

#4531BB #BB8A31 #62BB31

monochromatic

#21185A #33248B #4531BB #6856D3 #9487E0

Accessibility & contrast

On white

8.71

#4531BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#4531BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4531BB

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4531BB	#FFFFFF	#000000	##FFFFFF
##4531BB	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BF

Deuteranopia (green-blind)

#0046B8

Tritanopia (blue-blind)

#005873

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4531bb;
/* rgb */ color: rgb(69, 49, 187);
/* oklch */ color: oklch(43.4% 0.203 280.3);

Tailwind

colors: {
  custom: {
    50: '#876cd1',
    500: '#4531bb',
    950: '#000000',
  },
}

SCSS

$custom: #4531bb;
$custom-light: #876cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4531bb",
  "rgb": {
    "r": 69,
    "g": 49,
    "b": 187
  },
  "hsl": {
    "h": 248.696,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.43399,
    "c": 0.2032,
    "h": 280.3
  },
  "luminance": 0.0705
}

Semantic roles & 50–950 ramp

primary

#4531BB

secondary

#BEC97F

accent

#E246CB

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4531BB

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

Preview Lab → · Contrast checker → · Palette generator →