#455DCB#455DCB

#455DCB is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.2% C 0.172 H 270.1°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#455DCB
RGB	rgb(69, 93, 203)
HSL	hsl(229, 56%, 53%)
HSV	hsv(229, 66%, 80%)
CMYK	cmyk(66%, 54.2%, 0%, 20.4%)
CIE-LAB	lab(43.37, 26.62, -59.93)
CIE-LCH	lch(43.37, 65.58, 293.95°)
OKLab	oklab(52.19% 0.0004 -0.1723)
OKLCH	oklch(52.19% 0.172 270.1)
XYZ	xyz(17.1444, 13.4041, 58.1721)
Luminance	0.1341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455DCB #CBB345

analogous

#45A0CB #455DCB #7045CB

triadic

#455DCB #CB455D #5DCB45

tetradic

#455DCB #CB45A0 #CBB345 #45CB70

square

#455DCB #CB45A0 #CBB345 #45CB70

split-complementary

#455DCB #CB7045 #A0CB45

monochromatic

#213075 #2E43A5 #455DCB #7587D8 #A5B0E6

Accessibility & contrast

On white

5.70

#455DCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#455DCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455DCB

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455DCB	#FFFFFF	#000000	##FFFFFF
##455DCB	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#066DCF

Deuteranopia (green-blind)

#0061C9

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #455dcb;
/* rgb */ color: rgb(69, 93, 203);
/* oklch */ color: oklch(52.2% 0.172 270.1);

Tailwind

colors: {
  custom: {
    50: '#878adc',
    500: '#455dcb',
    950: '#000000',
  },
}

SCSS

$custom: #455dcb;
$custom-light: #878adc;
$custom-dark: #000000;

JSON

{
  "hex": "#455dcb",
  "rgb": {
    "r": 69,
    "g": 93,
    "b": 203
  },
  "hsl": {
    "h": 229.254,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.52185,
    "c": 0.17226,
    "h": 270.1
  },
  "luminance": 0.13406
}

Semantic roles & 50–950 ramp

primary

#455DCB

secondary

#D3C899

accent

#C448E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #455DCB

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

Preview Lab → · Contrast checker → · Palette generator →