#455CB1#455CB1

#455CB1 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.1% C 0.137 H 269.5°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#455CB1
RGB	rgb(69, 92, 177)
HSL	hsl(227, 44%, 48%)
HSV	hsv(227, 61%, 69%)
CMYK	cmyk(61%, 48%, 0%, 30.6%)
CIE-LAB	lab(41.36, 18.15, -48.03)
CIE-LCH	lch(41.36, 51.34, 290.70°)
OKLab	oklab(50.11% -0.0011 -0.1373)
OKLCH	oklch(50.11% 0.137 269.5)
XYZ	xyz(14.2145, 12.0926, 43.1715)
Luminance	0.1209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455CB1 #B19A45

analogous

#4592B1 #455CB1 #6445B1

triadic

#455CB1 #B1455C #5CB145

tetradic

#455CB1 #B14592 #B19A45 #45B164

square

#455CB1 #B14592 #B19A45 #45B164

split-complementary

#455CB1 #B16445 #92B145

monochromatic

#232E59 #344585 #455CB1 #6D80C6 #99A6D7

Accessibility & contrast

On white

6.14

#455CB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#455CB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455CB1

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455CB1	#FFFFFF	#000000	##FFFFFF
##455CB1	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3267B4

Deuteranopia (green-blind)

#1F5DAF

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #455cb1;
/* rgb */ color: rgb(69, 92, 177);
/* oklch */ color: oklch(50.1% 0.137 269.5);

Tailwind

colors: {
  custom: {
    50: '#8289c9',
    500: '#455cb1',
    950: '#000000',
  },
}

SCSS

$custom: #455cb1;
$custom-light: #8289c9;
$custom-dark: #000000;

JSON

{
  "hex": "#455cb1",
  "rgb": {
    "r": 69,
    "g": 92,
    "b": 177
  },
  "hsl": {
    "h": 227.222,
    "s": 43.902,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50115,
    "c": 0.13726,
    "h": 269.5
  },
  "luminance": 0.12094
}

Semantic roles & 50–950 ramp

primary

#455CB1

secondary

#C3B88E

accent

#B854D4

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #455CB1

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

Preview Lab → · Contrast checker → · Palette generator →