#455FB1#455FB1

#455FB1 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.7% C 0.133 H 268.2°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#455FB1
RGB	rgb(69, 95, 177)
HSL	hsl(226, 44%, 48%)
HSV	hsv(226, 61%, 69%)
CMYK	cmyk(61%, 46.3%, 0%, 30.6%)
CIE-LAB	lab(42.19, 16.22, -46.70)
CIE-LCH	lch(42.19, 49.44, 289.16°)
OKLab	oklab(50.75% -0.0043 -0.1333)
OKLCH	oklch(50.75% 0.133 268.2)
XYZ	xyz(14.4796, 12.6227, 43.2598)
Luminance	0.1262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455FB1 #B19745

analogous

#4595B1 #455FB1 #6145B1

triadic

#455FB1 #B1455F #5FB145

tetradic

#455FB1 #B14595 #B19745 #45B161

square

#455FB1 #B14595 #B19745 #45B161

split-complementary

#455FB1 #B16145 #95B145

monochromatic

#233059 #344785 #455FB1 #6D83C6 #99A8D7

Accessibility & contrast

On white

5.96

#455FB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#455FB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455FB1

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455FB1	#FFFFFF	#000000	##FFFFFF
##455FB1	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3869B4

Deuteranopia (green-blind)

#275FAF

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #455fb1;
/* rgb */ color: rgb(69, 95, 177);
/* oklch */ color: oklch(50.7% 0.133 268.2);

Tailwind

colors: {
  custom: {
    50: '#828cc9',
    500: '#455fb1',
    950: '#000000',
  },
}

SCSS

$custom: #455fb1;
$custom-light: #828cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#455fb1",
  "rgb": {
    "r": 69,
    "g": 95,
    "b": 177
  },
  "hsl": {
    "h": 225.556,
    "s": 43.902,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50746,
    "c": 0.13339,
    "h": 268.2
  },
  "luminance": 0.12624
}

Semantic roles & 50–950 ramp

primary

#455FB1

secondary

#C3B78E

accent

#B554D4

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #455FB1

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

Preview Lab → · Contrast checker → · Palette generator →