#5451D9#5451D9

#5451D9 is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 52.1% C 0.202 H 277.7°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#5451D9
RGB	rgb(84, 81, 217)
HSL	hsl(241, 64%, 58%)
HSV	hsv(241, 63%, 85%)
CMYK	cmyk(61.3%, 62.7%, 0%, 14.9%)
CIE-LAB	lab(42.43, 41.12, -69.45)
CIE-LCH	lch(42.43, 80.71, 300.63°)
OKLab	oklab(52.06% 0.0272 -0.2)
OKLCH	oklch(52.06% 0.202 277.7)
XYZ	xyz(19.1189, 12.7779, 67.0911)
Luminance	0.1278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5451D9 #D6D951

analogous

#5192D9 #5451D9 #9851D9

triadic

#5451D9 #D95451 #51D954

tetradic

#5451D9 #D95192 #D6D951 #51D998

square

#5451D9 #D95192 #D6D951 #51D998

split-complementary

#5451D9 #D99851 #92D951

monochromatic

#221F90 #2E2AC2 #5451D9 #8583E4 #B7B5EF

Accessibility & contrast

On white

5.91

#5451D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#5451D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5451D9

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5451D9	#FFFFFF	#000000	##FFFFFF
##5451D9	1.00	5.91	3.56	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADD

Deuteranopia (green-blind)

#005ED6

Tritanopia (blue-blind)

#00738D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5451d9;
/* rgb */ color: rgb(84, 81, 217);
/* oklch */ color: oklch(52.1% 0.202 277.7);

Tailwind

colors: {
  custom: {
    50: '#9282e6',
    500: '#5451d9',
    950: '#000000',
  },
}

SCSS

$custom: #5451d9;
$custom-light: #9282e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5451d9",
  "rgb": {
    "r": 84,
    "g": 81,
    "b": 217
  },
  "hsl": {
    "h": 241.324,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.52062,
    "c": 0.20183,
    "h": 277.7
  },
  "luminance": 0.12779
}

Semantic roles & 50–950 ramp

primary

#5451D9

secondary

#DDDEA8

accent

#E741E3

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5451D9

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

Preview Lab → · Contrast checker → · Palette generator →