#4254B2#4254B2

#4254B2 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.4% C 0.150 H 271.5°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#4254B2
RGB	rgb(66, 84, 178)
HSL	hsl(230, 46%, 48%)
HSV	hsv(230, 63%, 70%)
CMYK	cmyk(62.9%, 52.8%, 0%, 30.2%)
CIE-LAB	lab(39.09, 23.09, -52.28)
CIE-LCH	lch(39.09, 57.16, 293.83°)
OKLab	oklab(48.37% 0.004 -0.1499)
OKLCH	oklch(48.37% 0.15 271.5)
XYZ	xyz(13.4503, 10.7121, 43.4697)
Luminance	0.1071 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4254B2 #B2A042

analogous

#428CB2 #4254B2 #6842B2

triadic

#4254B2 #B24254 #54B242

tetradic

#4254B2 #B2428C #B2A042 #42B268

square

#4254B2 #B2428C #B2A042 #42B268

split-complementary

#4254B2 #B26842 #8CB242

monochromatic

#212A59 #313F85 #4254B2 #6A79C8 #96A1D8

Accessibility & contrast

On white

6.68

#4254B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#4254B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4254B2

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4254B2	#FFFFFF	#000000	##FFFFFF
##4254B2	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A61B5

Deuteranopia (green-blind)

#0057B0

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4254b2;
/* rgb */ color: rgb(66, 84, 178);
/* oklch */ color: oklch(48.4% 0.150 271.5);

Tailwind

colors: {
  custom: {
    50: '#8283ca',
    500: '#4254b2',
    950: '#000000',
  },
}

SCSS

$custom: #4254b2;
$custom-light: #8283ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4254b2",
  "rgb": {
    "r": 66,
    "g": 84,
    "b": 178
  },
  "hsl": {
    "h": 230.357,
    "s": 45.902,
    "l": 47.843
  },
  "oklch": {
    "l": 0.48369,
    "c": 0.14999,
    "h": 271.5
  },
  "luminance": 0.10713
}

Semantic roles & 50–950 ramp

primary

#4254B2

secondary

#C4BB8C

accent

#C052D6

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4254B2

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

Preview Lab → · Contrast checker → · Palette generator →