#4254D8#4254D8

#4254D8 is a mid, highly saturated blue. Relative luminance 0.125; OKLCH L 51.4% C 0.201 H 271.4°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#4254D8
RGB	rgb(66, 84, 216)
HSL	hsl(233, 66%, 55%)
HSV	hsv(233, 69%, 85%)
CMYK	cmyk(69.4%, 61.1%, 0%, 15.3%)
CIE-LAB	lab(41.93, 36.41, -69.74)
CIE-LCH	lch(41.93, 78.67, 297.57°)
OKLab	oklab(51.38% 0.0048 -0.2013)
OKLCH	oklch(51.38% 0.201 271.4)
XYZ	xyz(17.8076, 12.4550, 66.4180)
Luminance	0.1246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4254D8 #D8C642

analogous

#429FD8 #4254D8 #7B42D8

triadic

#4254D8 #D84254 #54D842

tetradic

#4254D8 #D8429F #D8C642 #42D87B

square

#4254D8 #D8429F #D8C642 #42D87B

split-complementary

#4254D8 #D87B42 #9FD842

monochromatic

#1B2884 #2637B7 #4254D8 #7582E2 #A7B0ED

Accessibility & contrast

On white

6.01

#4254D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#4254D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4254D8

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4254D8	#FFFFFF	#000000	##FFFFFF
##4254D8	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADC

Deuteranopia (green-blind)

#005CD5

Tritanopia (blue-blind)

#00768E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4254d8;
/* rgb */ color: rgb(66, 84, 216);
/* oklch */ color: oklch(51.4% 0.201 271.4);

Tailwind

colors: {
  custom: {
    50: '#8984e5',
    500: '#4254d8',
    950: '#000000',
  },
}

SCSS

$custom: #4254d8;
$custom-light: #8984e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4254d8",
  "rgb": {
    "r": 66,
    "g": 84,
    "b": 216
  },
  "hsl": {
    "h": 232.8,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.51379,
    "c": 0.20131,
    "h": 271.4
  },
  "luminance": 0.12457
}

Semantic roles & 50–950 ramp

primary

#4254D8

secondary

#DAD39C

accent

#D43FE9

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #4254D8

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

Preview Lab → · Contrast checker → · Palette generator →