#455BB4#455BB4

#455BB4 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.1% C 0.143 H 270.1°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#455BB4
RGB	rgb(69, 91, 180)
HSL	hsl(228, 45%, 49%)
HSV	hsv(228, 62%, 71%)
CMYK	cmyk(61.7%, 49.4%, 0%, 29.4%)
CIE-LAB	lab(41.28, 19.83, -49.92)
CIE-LCH	lch(41.28, 53.72, 291.67°)
OKLab	oklab(50.11% 0.0003 -0.1428)
OKLCH	oklch(50.11% 0.143 270.1)
XYZ	xyz(14.4308, 12.0415, 44.7349)
Luminance	0.1204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455BB4 #B49E45

analogous

#4593B4 #455BB4 #6745B4

triadic

#455BB4 #B4455B #5BB445

tetradic

#455BB4 #B44593 #B49E45 #45B467

square

#455BB4 #B44593 #B49E45 #45B467

split-complementary

#455BB4 #B46745 #93B445

monochromatic

#232E5C #344588 #455BB4 #6F80C8 #9BA7D9

Accessibility & contrast

On white

6.16

#455BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#455BB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455BB4

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455BB4	#FFFFFF	#000000	##FFFFFF
##455BB4	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)

#2C67B7

Deuteranopia (green-blind)

#165DB2

Tritanopia (blue-blind)

#006F7F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #455bb4;
/* rgb */ color: rgb(69, 91, 180);
/* oklch */ color: oklch(50.1% 0.143 270.1);

Tailwind

colors: {
  custom: {
    50: '#8389cb',
    500: '#455bb4',
    950: '#000000',
  },
}

SCSS

$custom: #455bb4;
$custom-light: #8389cb;
$custom-dark: #000000;

JSON

{
  "hex": "#455bb4",
  "rgb": {
    "r": 69,
    "g": 91,
    "b": 180
  },
  "hsl": {
    "h": 228.108,
    "s": 44.578,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50115,
    "c": 0.14283,
    "h": 270.1
  },
  "luminance": 0.12043
}

Semantic roles & 50–950 ramp

primary

#455BB4

secondary

#C5BA90

accent

#BB54D4

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #455BB4

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

Preview Lab → · Contrast checker → · Palette generator →