#455FBB#455FBB

#455FBB is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.4% C 0.148 H 268.9°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#455FBB
RGB	rgb(69, 95, 187)
HSL	hsl(227, 46%, 50%)
HSV	hsv(227, 63%, 73%)
CMYK	cmyk(63.1%, 49.2%, 0%, 26.7%)
CIE-LAB	lab(42.82, 19.72, -51.54)
CIE-LCH	lch(42.82, 55.19, 290.94°)
OKLab	oklab(51.43% -0.0029 -0.1476)
OKLCH	oklch(51.43% 0.148 268.9)
XYZ	xyz(15.5130, 13.0361, 48.7028)
Luminance	0.1304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455FBB #BBA145

analogous

#459ABB #455FBB #6645BB

triadic

#455FBB #BB455F #5FBB45

tetradic

#455FBB #BB459A #BBA145 #45BB66

square

#455FBB #BB459A #BBA145 #45BB66

split-complementary

#455FBB #BB6645 #9ABB45

monochromatic

#243162 #34488F #455FBB #7286CB #9FACDC

Accessibility & contrast

On white

5.82

#455FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#455FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455FBB

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455FBB	#FFFFFF	#000000	##FFFFFF
##455FBB	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6BBE

Deuteranopia (green-blind)

#1460B9

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #455fbb;
/* rgb */ color: rgb(69, 95, 187);
/* oklch */ color: oklch(51.4% 0.148 268.9);

Tailwind

colors: {
  custom: {
    50: '#848cd0',
    500: '#455fbb',
    950: '#000000',
  },
}

SCSS

$custom: #455fbb;
$custom-light: #848cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#455fbb",
  "rgb": {
    "r": 69,
    "g": 95,
    "b": 187
  },
  "hsl": {
    "h": 226.78,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.51427,
    "c": 0.14759,
    "h": 268.9
  },
  "luminance": 0.13037
}

Semantic roles & 50–950 ramp

primary

#455FBB

secondary

#C8BD94

accent

#B952D6

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #455FBB

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

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