#4245AF#4245AF

#4245AF is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.3% C 0.165 H 276.3°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#4245AF
RGB	rgb(66, 69, 175)
HSL	hsl(238, 45%, 47%)
HSV	hsv(238, 62%, 69%)
CMYK	cmyk(62.3%, 60.6%, 0%, 31.4%)
CIE-LAB	lab(35.02, 31.68, -57.10)
CIE-LCH	lch(35.02, 65.30, 299.02°)
OKLab	oklab(45.26% 0.0182 -0.1643)
OKLCH	oklch(45.26% 0.165 276.3)
XYZ	xyz(12.1102, 8.5087, 41.5533)
Luminance	0.0851 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4245AF #AFAC42

analogous

#427BAF #4245AF #7642AF

triadic

#4245AF #AF4245 #45AF42

tetradic

#4245AF #AF427B #AFAC42 #42AF76

square

#4245AF #AF427B #AFAC42 #42AF76

split-complementary

#4245AF #AF7642 #7BAF42

monochromatic

#202256 #313383 #4245AF #686BC6 #9596D7

Accessibility & contrast

On white

7.77

#4245AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#4245AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4245AF

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4245AF	#FFFFFF	#000000	##FFFFFF
##4245AF	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B2

Deuteranopia (green-blind)

#004EAD

Tritanopia (blue-blind)

#005F73

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4245af;
/* rgb */ color: rgb(66, 69, 175);
/* oklch */ color: oklch(45.3% 0.165 276.3);

Tailwind

colors: {
  custom: {
    50: '#8279c8',
    500: '#4245af',
    950: '#000000',
  },
}

SCSS

$custom: #4245af;
$custom-light: #8279c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4245af",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 175
  },
  "hsl": {
    "h": 238.349,
    "s": 45.228,
    "l": 47.255
  },
  "oklch": {
    "l": 0.45262,
    "c": 0.16528,
    "h": 276.3
  },
  "luminance": 0.0851
}

Semantic roles & 50–950 ramp

primary

#4245AF

secondary

#C2C18A

accent

#D153D5

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #4245AF

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

Preview Lab → · Contrast checker → · Palette generator →