#3555CA#3555CA

#3555CA is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.8% C 0.185 H 267.5°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#3555CA
RGB	rgb(53, 85, 202)
HSL	hsl(227, 58%, 50%)
HSV	hsv(227, 74%, 79%)
CMYK	cmyk(73.8%, 57.9%, 0%, 20.8%)
CIE-LAB	lab(40.44, 29.16, -64.15)
CIE-LCH	lch(40.44, 70.46, 294.45°)
OKLab	oklab(49.75% -0.0082 -0.1851)
OKLCH	oklch(49.75% 0.185 267.5)
XYZ	xyz(15.3737, 11.5165, 57.2783)
Luminance	0.1152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3555CA #CAAA35

analogous

#35A0CA #3555CA #5F35CA

triadic

#3555CA #CA3555 #55CA35

tetradic

#3555CA #CA35A0 #CAAA35 #35CA5F

square

#3555CA #CA35A0 #CAAA35 #35CA5F

split-complementary

#3555CA #CA5F35 #A0CA35

monochromatic

#1C2C69 #28419A #3555CA #657ED7 #96A7E3

Accessibility & contrast

On white

6.36

#3555CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3555CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3555CA

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3555CA	#FFFFFF	#000000	##FFFFFF
##3555CA	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CE

Deuteranopia (green-blind)

#0059C8

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3555ca;
/* rgb */ color: rgb(53, 85, 202);
/* oklch */ color: oklch(49.8% 0.185 267.5);

Tailwind

colors: {
  custom: {
    50: '#8184db',
    500: '#3555ca',
    950: '#000000',
  },
}

SCSS

$custom: #3555ca;
$custom-light: #8184db;
$custom-dark: #000000;

JSON

{
  "hex": "#3555ca",
  "rgb": {
    "r": 53,
    "g": 85,
    "b": 202
  },
  "hsl": {
    "h": 227.114,
    "s": 58.431,
    "l": 50
  },
  "oklch": {
    "l": 0.49752,
    "c": 0.18528,
    "h": 267.5
  },
  "luminance": 0.11518
}

Semantic roles & 50–950 ramp

primary

#3555CA

secondary

#CFC08C

accent

#C046E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3555CA

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

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