#555FCE#555FCE

#555FCE is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.8% C 0.170 H 275.3°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#555FCE
RGB	rgb(85, 95, 206)
HSL	hsl(235, 55%, 57%)
HSV	hsv(235, 59%, 81%)
CMYK	cmyk(58.7%, 53.9%, 0%, 19.2%)
CIE-LAB	lab(45.04, 29.12, -58.90)
CIE-LCH	lch(45.04, 65.71, 296.31°)
OKLab	oklab(53.76% 0.0156 -0.1688)
OKLCH	oklch(53.76% 0.17 275.3)
XYZ	xyz(18.9755, 14.5705, 60.1930)
Luminance	0.1457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FCE #CEC455

analogous

#559CCE #555FCE #8755CE

triadic

#555FCE #CE555F #5FCE55

tetradic

#555FCE #CE559C #CEC455 #55CE87

square

#555FCE #CE559C #CEC455 #55CE87

split-complementary

#555FCE #CE8755 #9CCE55

monochromatic

#262D83 #333EB2 #555FCE #858CDC #B4B8E9

Accessibility & contrast

On white

5.36

#555FCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#555FCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FCE

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FCE	#FFFFFF	#000000	##FFFFFF
##555FCE	1.00	5.36	3.91	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1670D2

Deuteranopia (green-blind)

#0066CC

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #555fce;
/* rgb */ color: rgb(85, 95, 206);
/* oklch */ color: oklch(53.8% 0.170 275.3);

Tailwind

colors: {
  custom: {
    50: '#8f8cde',
    500: '#555fce',
    950: '#000000',
  },
}

SCSS

$custom: #555fce;
$custom-light: #8f8cde;
$custom-dark: #000000;

JSON

{
  "hex": "#555fce",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 206
  },
  "hsl": {
    "h": 235.041,
    "s": 55.251,
    "l": 57.059
  },
  "oklch": {
    "l": 0.5376,
    "c": 0.16954,
    "h": 275.3
  },
  "luminance": 0.14572
}

Semantic roles & 50–950 ramp

primary

#555FCE

secondary

#D8D4A7

accent

#D249DF

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #555FCE

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

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