#3540C8#3540C8

#3540C8 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 45.8% C 0.207 H 271.5°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#3540C8
RGB	rgb(53, 64, 200)
HSL	hsl(236, 58%, 50%)
HSV	hsv(236, 74%, 78%)
CMYK	cmyk(73.5%, 68%, 0%, 21.6%)
CIE-LAB	lab(35.19, 41.67, -71.57)
CIE-LCH	lch(35.19, 82.82, 300.21°)
OKLab	oklab(45.83% 0.0054 -0.207)
OKLCH	oklch(45.83% 0.207 271.5)
XYZ	xyz(13.7234, 8.5924, 55.5676)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3540C8 #C8BD35

analogous

#358AC8 #3540C8 #7335C8

triadic

#3540C8 #C83540 #40C835

tetradic

#3540C8 #C8358A #C8BD35 #35C873

square

#3540C8 #C8358A #C8BD35 #35C873

split-complementary

#3540C8 #C87335 #8AC835

monochromatic

#1B2167 #283198 #3540C8 #646DD6 #959AE3

Accessibility & contrast

On white

7.72

#3540C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3540C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3540C8

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3540C8	#FFFFFF	#000000	##FFFFFF
##3540C8	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACC

Deuteranopia (green-blind)

#004CC5

Tritanopia (blue-blind)

#00657F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3540c8;
/* rgb */ color: rgb(53, 64, 200);
/* oklch */ color: oklch(45.8% 0.207 271.5);

Tailwind

colors: {
  custom: {
    50: '#8275da',
    500: '#3540c8',
    950: '#000000',
  },
}

SCSS

$custom: #3540c8;
$custom-light: #8275da;
$custom-dark: #000000;

JSON

{
  "hex": "#3540c8",
  "rgb": {
    "r": 53,
    "g": 64,
    "b": 200
  },
  "hsl": {
    "h": 235.51,
    "s": 58.103,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45833,
    "c": 0.20711,
    "h": 271.5
  },
  "luminance": 0.08594
}

Semantic roles & 50–950 ramp

primary

#3540C8

secondary

#CEC98B

accent

#D646E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3540C8

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

Preview Lab → · Contrast checker → · Palette generator →