#4254BF#4254BF

#4254BF is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.4% C 0.168 H 271.6°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#4254BF
RGB	rgb(66, 84, 191)
HSL	hsl(231, 49%, 50%)
HSV	hsv(231, 65%, 75%)
CMYK	cmyk(65.4%, 56%, 0%, 25.1%)
CIE-LAB	lab(40.01, 27.67, -58.41)
CIE-LCH	lch(40.01, 64.63, 295.34°)
OKLab	oklab(49.35% 0.0047 -0.168)
OKLCH	oklch(49.35% 0.168 271.6)
XYZ	xyz(14.8179, 11.2592, 50.6725)
Luminance	0.1126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4254BF #BFAD42

analogous

#4292BF #4254BF #6E42BF

triadic

#4254BF #BF4254 #54BF42

tetradic

#4254BF #BF4292 #BFAD42 #42BF6E

square

#4254BF #BF4292 #BFAD42 #42BF6E

split-complementary

#4254BF #BF6E42 #92BF42

monochromatic

#222C65 #323F92 #4254BF #707DCE #9DA7DE

Accessibility & contrast

On white

6.46

#4254BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#4254BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4254BF

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4254BF	#FFFFFF	#000000	##FFFFFF
##4254BF	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C3

Deuteranopia (green-blind)

#0059BD

Tritanopia (blue-blind)

#006E81

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4254bf;
/* rgb */ color: rgb(66, 84, 191);
/* oklch */ color: oklch(49.4% 0.168 271.6);

Tailwind

colors: {
  custom: {
    50: '#8483d3',
    500: '#4254bf',
    950: '#000000',
  },
}

SCSS

$custom: #4254bf;
$custom-light: #8483d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4254bf",
  "rgb": {
    "r": 66,
    "g": 84,
    "b": 191
  },
  "hsl": {
    "h": 231.36,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.49354,
    "c": 0.16805,
    "h": 271.6
  },
  "luminance": 0.1126
}

Semantic roles & 50–950 ramp

primary

#4254BF

secondary

#CAC293

accent

#C54FD9

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4254BF

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

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