#45537B#45537B

#45537B is a dark, moderate blue. Relative luminance 0.089; OKLCH L 44.8% C 0.068 H 268.8°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#45537B
RGB	rgb(69, 83, 123)
HSL	hsl(224, 28%, 38%)
HSV	hsv(224, 44%, 48%)
CMYK	cmyk(43.9%, 32.5%, 0%, 51.8%)
CIE-LAB	lab(35.75, 5.84, -24.40)
CIE-LCH	lch(35.75, 25.09, 283.45°)
OKLab	oklab(44.82% -0.0014 -0.0683)
OKLCH	oklch(44.82% 0.068 268.8)
XYZ	xyz(9.1215, 8.8813, 19.9687)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45537B #7B6D45

analogous

#456E7B #45537B #52457B

triadic

#45537B #7B4553 #537B45

tetradic

#45537B #7B456E #7B6D45 #457B52

square

#45537B #7B456E #7B6D45 #457B52

split-complementary

#45537B #7B5245 #6E7B45

monochromatic

#191E2D #2F3954 #45537B #5B6DA2 #8290B9

Accessibility & contrast

On white

7.56

#45537B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#45537B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #45537B

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45537B	#FFFFFF	#000000	##FFFFFF
##45537B	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45577D

Deuteranopia (green-blind)

#40527A

Tritanopia (blue-blind)

#335B61

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #45537b;
/* rgb */ color: rgb(69, 83, 123);
/* oklch */ color: oklch(44.8% 0.068 268.8);

Tailwind

colors: {
  custom: {
    50: '#7b83a1',
    500: '#45537b',
    950: '#000000',
  },
}

SCSS

$custom: #45537b;
$custom-light: #7b83a1;
$custom-dark: #000000;

JSON

{
  "hex": "#45537b",
  "rgb": {
    "r": 69,
    "g": 83,
    "b": 123
  },
  "hsl": {
    "h": 224.444,
    "s": 28.125,
    "l": 37.647
  },
  "oklch": {
    "l": 0.44817,
    "c": 0.06829,
    "h": 268.8
  },
  "luminance": 0.08882
}

Semantic roles & 50–950 ramp

primary

#45537B

secondary

#A49978

accent

#AB63C4

background

#F7F8F9

surface

#EEEFF2

border

#C9CACC

text

#090A0F

muted

#7B7C7E

Preview Lab

Preview with #45537B

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

Preview Lab → · Contrast checker → · Palette generator →