#555CE1#555CE1

#555CE1 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.6% C 0.199 H 275.4°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#555CE1
RGB	rgb(85, 92, 225)
HSL	hsl(237, 70%, 61%)
HSV	hsv(237, 62%, 88%)
CMYK	cmyk(62.2%, 59.1%, 0%, 11.8%)
CIE-LAB	lab(45.66, 37.25, -68.74)
CIE-LCH	lch(45.66, 78.18, 298.46°)
OKLab	oklab(54.65% 0.0186 -0.1978)
OKLCH	oklch(54.65% 0.199 275.4)
XYZ	xyz(21.1596, 15.0201, 73.0037)
Luminance	0.1502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555CE1 #E1DA55

analogous

#55A2E1 #555CE1 #9455E1

triadic

#555CE1 #E1555C #5CE155

tetradic

#555CE1 #E155A2 #E1DA55 #55E194

square

#555CE1 #E155A2 #E1DA55 #55E194

split-complementary

#555CE1 #E19455 #A2E155

monochromatic

#1C239F #252ED3 #555CE1 #898EEA #BDC0F3

Accessibility & contrast

On white

5.24

#555CE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#555CE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555CE1

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555CE1	#FFFFFF	#000000	##FFFFFF
##555CE1	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)

#0072E5

Deuteranopia (green-blind)

#0066DE

Tritanopia (blue-blind)

#007D96

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #555ce1;
/* rgb */ color: rgb(85, 92, 225);
/* oklch */ color: oklch(54.6% 0.199 275.4);

Tailwind

colors: {
  custom: {
    50: '#938aeb',
    500: '#555ce1',
    950: '#000000',
  },
}

SCSS

$custom: #555ce1;
$custom-light: #938aeb;
$custom-dark: #000000;

JSON

{
  "hex": "#555ce1",
  "rgb": {
    "r": 85,
    "g": 92,
    "b": 225
  },
  "hsl": {
    "h": 237,
    "s": 70,
    "l": 60.784
  },
  "oklch": {
    "l": 0.5465,
    "c": 0.19865,
    "h": 275.4
  },
  "luminance": 0.15022
}

Semantic roles & 50–950 ramp

primary

#555CE1

secondary

#E3E1AE

accent

#C814D2

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #555CE1

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

Preview Lab → · Contrast checker → · Palette generator →