#4551E8#4551E8

#4551E8 is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 52.4% C 0.224 H 272.3°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#4551E8
RGB	rgb(69, 81, 232)
HSL	hsl(236, 78%, 59%)
HSV	hsv(236, 70%, 91%)
CMYK	cmyk(70.3%, 65.1%, 0%, 9%)
CIE-LAB	lab(42.72, 44.06, -77.54)
CIE-LCH	lch(42.72, 89.18, 299.61°)
OKLab	oklab(52.42% 0.0091 -0.2241)
OKLCH	oklch(52.42% 0.224 272.3)
XYZ	xyz(19.9573, 12.9743, 77.7808)
Luminance	0.1298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4551E8 #E8DC45

analogous

#45A3E8 #4551E8 #8B45E8

triadic

#4551E8 #E84551 #51E845

tetradic

#4551E8 #E845A3 #E8DC45 #45E88B

square

#4551E8 #E845A3 #E8DC45 #45E88B

split-complementary

#4551E8 #E88B45 #A3E845

monochromatic

#141E9F #1A28D5 #4551E8 #7B84EF #B2B7F5

Accessibility & contrast

On white

5.84

#4551E8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#4551E8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4551E8

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4551E8	#FFFFFF	#000000	##FFFFFF
##4551E8	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DED

Deuteranopia (green-blind)

#005DE5

Tritanopia (blue-blind)

#007995

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4551e8;
/* rgb */ color: rgb(69, 81, 232);
/* oklch */ color: oklch(52.4% 0.224 272.3);

Tailwind

colors: {
  custom: {
    50: '#8e82f1',
    500: '#4551e8',
    950: '#000000',
  },
}

SCSS

$custom: #4551e8;
$custom-light: #8e82f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4551e8",
  "rgb": {
    "r": 69,
    "g": 81,
    "b": 232
  },
  "hsl": {
    "h": 235.583,
    "s": 77.99,
    "l": 59.02
  },
  "oklch": {
    "l": 0.52415,
    "c": 0.22425,
    "h": 272.3
  },
  "luminance": 0.12976
}

Semantic roles & 50–950 ramp

primary

#4551E8

secondary

#E4E0A4

accent

#E633F4

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A17

muted

#7E7C85

Preview Lab

Preview with #4551E8

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

Preview Lab → · Contrast checker → · Palette generator →