#555FD7#555FD7

#555FD7 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.4% C 0.182 H 275.0°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#555FD7
RGB	rgb(85, 95, 215)
HSL	hsl(235, 62%, 59%)
HSV	hsv(235, 60%, 84%)
CMYK	cmyk(60.5%, 55.8%, 0%, 15.7%)
CIE-LAB	lab(45.66, 32.11, -63.05)
CIE-LCH	lch(45.66, 70.75, 296.99°)
OKLab	oklab(54.42% 0.0159 -0.181)
OKLCH	oklch(54.42% 0.182 275)
XYZ	xyz(20.1003, 15.0204, 66.1168)
Luminance	0.1502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FD7 #D7CD55

analogous

#55A0D7 #555FD7 #8C55D7

triadic

#555FD7 #D7555F #5FD755

tetradic

#555FD7 #D755A0 #D7CD55 #55D78C

square

#555FD7 #D755A0 #D7CD55 #55D78C

split-complementary

#555FD7 #D78C55 #A0D755

monochromatic

#222A90 #2D39C1 #555FD7 #878EE3 #B8BCEE

Accessibility & contrast

On white

5.24

#555FD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#555FD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FD7

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FD7	#FFFFFF	#000000	##FFFFFF
##555FD7	1.00	5.24	4.00	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072DB

Deuteranopia (green-blind)

#0067D5

Tritanopia (blue-blind)

#007B92

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #555fd7;
/* rgb */ color: rgb(85, 95, 215);
/* oklch */ color: oklch(54.4% 0.182 275.0);

Tailwind

colors: {
  custom: {
    50: '#918ce4',
    500: '#555fd7',
    950: '#000000',
  },
}

SCSS

$custom: #555fd7;
$custom-light: #918ce4;
$custom-dark: #000000;

JSON

{
  "hex": "#555fd7",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 215
  },
  "hsl": {
    "h": 235.385,
    "s": 61.905,
    "l": 58.824
  },
  "oklch": {
    "l": 0.54422,
    "c": 0.18172,
    "h": 275
  },
  "luminance": 0.15022
}

Semantic roles & 50–950 ramp

primary

#555FD7

secondary

#DEDAAA

accent

#D943E5

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555FD7

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

Preview Lab → · Contrast checker → · Palette generator →