#45639B#45639B

#45639B is a mid, moderate blue. Relative luminance 0.126; OKLCH L 50.3% C 0.097 H 262.1°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#45639B
RGB	rgb(69, 99, 155)
HSL	hsl(219, 38%, 44%)
HSV	hsv(219, 55%, 61%)
CMYK	cmyk(55.5%, 36.1%, 0%, 39.2%)
CIE-LAB	lab(42.08, 6.13, -33.86)
CIE-LCH	lch(42.08, 34.41, 280.26°)
OKLab	oklab(50.26% -0.0133 -0.0957)
OKLCH	oklch(50.26% 0.097 262.1)
XYZ	xyz(12.8305, 12.5545, 32.7511)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45639B #9B7D45

analogous

#458E9B #45639B #52459B

triadic

#45639B #9B4563 #639B45

tetradic

#45639B #9B458E #9B7D45 #459B52

square

#45639B #9B458E #9B7D45 #459B52

split-complementary

#45639B #9B5245 #8E9B45

monochromatic

#1F2D46 #324871 #45639B #6382BA #8EA4CD

Accessibility & contrast

On white

5.98

#45639B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#45639B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #45639B

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45639B	#FFFFFF	#000000	##FFFFFF
##45639B	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D689D

Deuteranopia (green-blind)

#42609A

Tritanopia (blue-blind)

#136F78

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #45639b;
/* rgb */ color: rgb(69, 99, 155);
/* oklch */ color: oklch(50.3% 0.097 262.1);

Tailwind

colors: {
  custom: {
    50: '#7f8fb9',
    500: '#45639b',
    950: '#000000',
  },
}

SCSS

$custom: #45639b;
$custom-light: #7f8fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#45639b",
  "rgb": {
    "r": 69,
    "g": 99,
    "b": 155
  },
  "hsl": {
    "h": 219.07,
    "s": 38.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50261,
    "c": 0.09658,
    "h": 262.1
  },
  "luminance": 0.12555
}

Semantic roles & 50–950 ramp

primary

#45639B

secondary

#B8A684

accent

#A659CE

background

#F8F8FB

surface

#EFF0F6

border

#CACBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #45639B

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

Preview Lab → · Contrast checker → · Palette generator →