#455CB0#455CB0

#455CB0 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.0% C 0.136 H 269.5°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#455CB0
RGB	rgb(69, 92, 176)
HSL	hsl(227, 44%, 48%)
HSV	hsv(227, 61%, 69%)
CMYK	cmyk(60.8%, 47.7%, 0%, 31%)
CIE-LAB	lab(41.30, 17.80, -47.54)
CIE-LCH	lch(41.30, 50.76, 290.52°)
OKLab	oklab(50.05% -0.0012 -0.1358)
OKLCH	oklch(50.05% 0.136 269.5)
XYZ	xyz(14.1152, 12.0529, 42.6485)
Luminance	0.1205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455CB0 #B09945

analogous

#4591B0 #455CB0 #6445B0

triadic

#455CB0 #B0455C #5CB045

tetradic

#455CB0 #B04591 #B09945 #45B064

square

#455CB0 #B04591 #B09945 #45B064

split-complementary

#455CB0 #B06445 #91B045

monochromatic

#232E58 #344584 #455CB0 #6D80C6 #99A6D7

Accessibility & contrast

On white

6.16

#455CB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#455CB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455CB0

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455CB0	#FFFFFF	#000000	##FFFFFF
##455CB0	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3366B3

Deuteranopia (green-blind)

#215DAE

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #455cb0;
/* rgb */ color: rgb(69, 92, 176);
/* oklch */ color: oklch(50.0% 0.136 269.5);

Tailwind

colors: {
  custom: {
    50: '#8289c8',
    500: '#455cb0',
    950: '#000000',
  },
}

SCSS

$custom: #455cb0;
$custom-light: #8289c8;
$custom-dark: #000000;

JSON

{
  "hex": "#455cb0",
  "rgb": {
    "r": 69,
    "g": 92,
    "b": 176
  },
  "hsl": {
    "h": 227.103,
    "s": 43.673,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50047,
    "c": 0.13583,
    "h": 269.5
  },
  "luminance": 0.12054
}

Semantic roles & 50–950 ramp

primary

#455CB0

secondary

#C3B78E

accent

#B854D3

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #455CB0

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

Preview Lab → · Contrast checker → · Palette generator →