#455DB1#455DB1

#455DB1 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.3% C 0.136 H 269.1°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#455DB1
RGB	rgb(69, 93, 177)
HSL	hsl(227, 44%, 48%)
HSV	hsv(227, 61%, 69%)
CMYK	cmyk(61%, 47.5%, 0%, 30.6%)
CIE-LAB	lab(41.64, 17.50, -47.59)
CIE-LCH	lch(41.64, 50.71, 290.20°)
OKLab	oklab(50.33% -0.0022 -0.1359)
OKLCH	oklch(50.33% 0.136 269.1)
XYZ	xyz(14.3017, 12.2670, 43.2006)
Luminance	0.1227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455DB1 #B19945

analogous

#4593B1 #455DB1 #6345B1

triadic

#455DB1 #B1455D #5DB145

tetradic

#455DB1 #B14593 #B19945 #45B163

square

#455DB1 #B14593 #B19945 #45B163

split-complementary

#455DB1 #B16345 #93B145

monochromatic

#232F59 #344685 #455DB1 #6D81C6 #99A7D7

Accessibility & contrast

On white

6.08

#455DB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#455DB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455DB1

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455DB1	#FFFFFF	#000000	##FFFFFF
##455DB1	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3467B4

Deuteranopia (green-blind)

#225EAF

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #455db1;
/* rgb */ color: rgb(69, 93, 177);
/* oklch */ color: oklch(50.3% 0.136 269.1);

Tailwind

colors: {
  custom: {
    50: '#828ac9',
    500: '#455db1',
    950: '#000000',
  },
}

SCSS

$custom: #455db1;
$custom-light: #828ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#455db1",
  "rgb": {
    "r": 69,
    "g": 93,
    "b": 177
  },
  "hsl": {
    "h": 226.667,
    "s": 43.902,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50325,
    "c": 0.13597,
    "h": 269.1
  },
  "luminance": 0.12268
}

Semantic roles & 50–950 ramp

primary

#455DB1

secondary

#C3B88E

accent

#B754D4

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #455DB1

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

Preview Lab → · Contrast checker → · Palette generator →