#4B507A#4B507A

#4B507A is a dark, moderate blue. Relative luminance 0.086; OKLCH L 44.5% C 0.069 H 278.0°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#4B507A
RGB	rgb(75, 80, 122)
HSL	hsl(234, 24%, 39%)
HSV	hsv(234, 39%, 48%)
CMYK	cmyk(38.5%, 34.4%, 0%, 52.2%)
CIE-LAB	lab(35.28, 9.23, -24.49)
CIE-LCH	lch(35.28, 26.17, 290.65°)
OKLab	oklab(44.55% 0.0096 -0.0684)
OKLCH	oklch(44.55% 0.069 278)
XYZ	xyz(9.2822, 8.6380, 19.5868)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B507A #7A754B

analogous

#4B677A #4B507A #5D4B7A

triadic

#4B507A #7A4B50 #507A4B

tetradic

#4B507A #7A4B67 #7A754B #4B7A5D

square

#4B507A #7A4B67 #7A754B #4B7A5D

split-complementary

#4B507A #7A5D4B #677A4B

monochromatic

#1C1E2E #343754 #4B507A #63699F #898EB6

Accessibility & contrast

On white

7.70

#4B507A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#4B507A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B507A

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B507A	#FFFFFF	#000000	##FFFFFF
##4B507A	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42557C

Deuteranopia (green-blind)

#405179

Tritanopia (blue-blind)

#3D585F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4b507a;
/* rgb */ color: rgb(75, 80, 122);
/* oklch */ color: oklch(44.5% 0.069 278.0);

Tailwind

colors: {
  custom: {
    50: '#7f81a0',
    500: '#4b507a',
    950: '#000000',
  },
}

SCSS

$custom: #4b507a;
$custom-light: #7f81a0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b507a",
  "rgb": {
    "r": 75,
    "g": 80,
    "b": 122
  },
  "hsl": {
    "h": 233.617,
    "s": 23.858,
    "l": 38.627
  },
  "oklch": {
    "l": 0.44548,
    "c": 0.0691,
    "h": 278
  },
  "luminance": 0.08638
}

Semantic roles & 50–950 ramp

primary

#4B507A

secondary

#A39F7E

accent

#B767C0

background

#F7F7F9

surface

#EEEEF2

border

#C9C9CC

text

#0A0A0F

muted

#7C7C7E

Preview Lab

Preview with #4B507A

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

Preview Lab → · Contrast checker → · Palette generator →