#4248A2#4248A2

#4248A2 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.8% C 0.143 H 276.1°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#4248A2
RGB	rgb(66, 72, 162)
HSL	hsl(236, 42%, 45%)
HSV	hsv(236, 59%, 64%)
CMYK	cmyk(59.3%, 55.6%, 0%, 36.5%)
CIE-LAB	lab(34.80, 25.30, -49.69)
CIE-LCH	lch(34.80, 55.76, 296.98°)
OKLab	oklab(44.79% 0.0152 -0.1424)
OKLCH	oklch(44.79% 0.143 276.1)
XYZ	xyz(11.0836, 8.4008, 35.2129)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4248A2 #A29C42

analogous

#4278A2 #4248A2 #6C42A2

triadic

#4248A2 #A24248 #48A242

tetradic

#4248A2 #A24278 #A29C42 #42A26C

square

#4248A2 #A24278 #A29C42 #42A26C

split-complementary

#4248A2 #A26C42 #78A242

monochromatic

#1F214B #303577 #4248A2 #6268BF #8E92D1

Accessibility & contrast

On white

7.83

#4248A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#4248A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4248A2

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4248A2	#FFFFFF	#000000	##FFFFFF
##4248A2	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0856A5

Deuteranopia (green-blind)

#004EA0

Tritanopia (blue-blind)

#005D6E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4248a2;
/* rgb */ color: rgb(66, 72, 162);
/* oklch */ color: oklch(44.8% 0.143 276.1);

Tailwind

colors: {
  custom: {
    50: '#7f7bbe',
    500: '#4248a2',
    950: '#000000',
  },
}

SCSS

$custom: #4248a2;
$custom-light: #7f7bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#4248a2",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 162
  },
  "hsl": {
    "h": 236.25,
    "s": 42.105,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44793,
    "c": 0.14325,
    "h": 276.1
  },
  "luminance": 0.08402
}

Semantic roles & 50–950 ramp

primary

#4248A2

secondary

#BCB884

accent

#CA56D2

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #4248A2

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

Preview Lab → · Contrast checker → · Palette generator →