#455E81#455E81

#455E81 is a mid, moderate blue. Relative luminance 0.109; OKLCH L 47.7% C 0.064 H 256.9°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#455E81
RGB	rgb(69, 94, 129)
HSL	hsl(215, 30%, 39%)
HSV	hsv(215, 47%, 51%)
CMYK	cmyk(46.5%, 27.1%, 0%, 49.4%)
CIE-LAB	lab(39.34, 0.77, -22.50)
CIE-LCH	lch(39.34, 22.52, 271.97°)
OKLab	oklab(47.7% -0.0146 -0.0628)
OKLCH	oklch(47.7% 0.064 256.9)
XYZ	xyz(10.4181, 10.8549, 22.3109)
Luminance	0.1086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455E81 #816845

analogous

#457C81 #455E81 #4A4581

triadic

#455E81 #81455E #5E8145

tetradic

#455E81 #81457C #816845 #45814A

square

#455E81 #81457C #816845 #45814A

split-complementary

#455E81 #814A45 #7C8145

monochromatic

#1A2431 #304159 #455E81 #5C7BA8 #839BBD

Accessibility & contrast

On white

6.62

#455E81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#455E81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455E81

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455E81	#FFFFFF	#000000	##FFFFFF
##455E81	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516083

Deuteranopia (green-blind)

#4A5A80

Tritanopia (blue-blind)

#2E666A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #455e81;
/* rgb */ color: rgb(69, 94, 129);
/* oklch */ color: oklch(47.7% 0.064 256.9);

Tailwind

colors: {
  custom: {
    50: '#7c8ba5',
    500: '#455e81',
    950: '#000000',
  },
}

SCSS

$custom: #455e81;
$custom-light: #7c8ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#455e81",
  "rgb": {
    "r": 69,
    "g": 94,
    "b": 129
  },
  "hsl": {
    "h": 215,
    "s": 30.303,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47702,
    "c": 0.06448,
    "h": 256.9
  },
  "luminance": 0.10856
}

Semantic roles & 50–950 ramp

primary

#455E81

secondary

#A8957A

accent

#9C61C7

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0C0F

muted

#7C7D7F

Preview Lab

Preview with #455E81

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

Preview Lab → · Contrast checker → · Palette generator →