#455CB3#455CB3

#455CB3 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.3% C 0.140 H 269.7°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#455CB3
RGB	rgb(69, 92, 179)
HSL	hsl(227, 44%, 49%)
HSV	hsv(227, 61%, 70%)
CMYK	cmyk(61.5%, 48.6%, 0%, 29.8%)
CIE-LAB	lab(41.49, 18.84, -49.00)
CIE-LCH	lch(41.49, 52.50, 291.03°)
OKLab	oklab(50.25% -0.0008 -0.1401)
OKLCH	oklch(50.25% 0.14 269.7)
XYZ	xyz(14.4153, 12.1730, 44.2290)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455CB3 #B39C45

analogous

#4593B3 #455CB3 #6545B3

triadic

#455CB3 #B3455C #5CB345

tetradic

#455CB3 #B34593 #B39C45 #45B365

square

#455CB3 #B34593 #B39C45 #45B365

split-complementary

#455CB3 #B36545 #93B345

monochromatic

#232F5B #344587 #455CB3 #6E81C7 #9AA7D8

Accessibility & contrast

On white

6.11

#455CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#455CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455CB3

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455CB3	#FFFFFF	#000000	##FFFFFF
##455CB3	1.00	6.11	3.43	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3067B6

Deuteranopia (green-blind)

#1B5DB1

Tritanopia (blue-blind)

#00707F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #455cb3;
/* rgb */ color: rgb(69, 92, 179);
/* oklch */ color: oklch(50.3% 0.140 269.7);

Tailwind

colors: {
  custom: {
    50: '#8389ca',
    500: '#455cb3',
    950: '#000000',
  },
}

SCSS

$custom: #455cb3;
$custom-light: #8389ca;
$custom-dark: #000000;

JSON

{
  "hex": "#455cb3",
  "rgb": {
    "r": 69,
    "g": 92,
    "b": 179
  },
  "hsl": {
    "h": 227.455,
    "s": 44.355,
    "l": 48.627
  },
  "oklch": {
    "l": 0.50253,
    "c": 0.14011,
    "h": 269.7
  },
  "luminance": 0.12174
}

Semantic roles & 50–950 ramp

primary

#455CB3

secondary

#C4B98F

accent

#B954D4

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #455CB3

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

Preview Lab → · Contrast checker → · Palette generator →