#45507B#45507B

#45507B is a dark, moderate blue. Relative luminance 0.084; OKLCH L 44.1% C 0.072 H 272.2°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#45507B
RGB	rgb(69, 80, 123)
HSL	hsl(228, 28%, 38%)
HSV	hsv(228, 44%, 48%)
CMYK	cmyk(43.9%, 35%, 0%, 51.8%)
CIE-LAB	lab(34.87, 7.77, -25.79)
CIE-LCH	lch(34.87, 26.93, 286.77°)
OKLab	oklab(44.13% 0.0028 -0.0723)
OKLCH	oklch(44.13% 0.072 272.2)
XYZ	xyz(8.8970, 8.4321, 19.8938)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45507B #7B7045

analogous

#456B7B #45507B #55457B

triadic

#45507B #7B4550 #507B45

tetradic

#45507B #7B456B #7B7045 #457B55

square

#45507B #7B456B #7B7045 #457B55

split-complementary

#45507B #7B5545 #6B7B45

monochromatic

#191D2D #2F3654 #45507B #5B69A2 #828DB9

Accessibility & contrast

On white

7.82

#45507B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#45507B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #45507B

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45507B	#FFFFFF	#000000	##FFFFFF
##45507B	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41547D

Deuteranopia (green-blind)

#3C507A

Tritanopia (blue-blind)

#335960

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #45507b;
/* rgb */ color: rgb(69, 80, 123);
/* oklch */ color: oklch(44.1% 0.072 272.2);

Tailwind

colors: {
  custom: {
    50: '#7b80a1',
    500: '#45507b',
    950: '#000000',
  },
}

SCSS

$custom: #45507b;
$custom-light: #7b80a1;
$custom-dark: #000000;

JSON

{
  "hex": "#45507b",
  "rgb": {
    "r": 69,
    "g": 80,
    "b": 123
  },
  "hsl": {
    "h": 227.778,
    "s": 28.125,
    "l": 37.647
  },
  "oklch": {
    "l": 0.4413,
    "c": 0.07235,
    "h": 272.2
  },
  "luminance": 0.08433
}

Semantic roles & 50–950 ramp

primary

#45507B

secondary

#A49B78

accent

#B163C4

background

#F7F7F9

surface

#EEEEF2

border

#C9C9CC

text

#090A0F

muted

#7B7C7E

Preview Lab

Preview with #45507B

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

Preview Lab → · Contrast checker → · Palette generator →