#3135B8#3135B8

#3135B8 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.3% C 0.200 H 272.6°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#3135B8
RGB	rgb(49, 53, 184)
HSL	hsl(238, 58%, 46%)
HSV	hsv(238, 73%, 72%)
CMYK	cmyk(73.4%, 71.2%, 0%, 27.8%)
CIE-LAB	lab(31.02, 42.39, -69.04)
CIE-LCH	lch(31.02, 81.02, 301.55°)
OKLab	oklab(42.3% 0.0091 -0.1997)
OKLCH	oklch(42.3% 0.2 272.6)
XYZ	xyz(11.1885, 6.6587, 46.0337)
Luminance	0.0666 (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

#3135B8 #B8B431

analogous

#3178B8 #3135B8 #7031B8

triadic

#3135B8 #B83135 #35B831

tetradic

#3135B8 #B83178 #B8B431 #31B870

square

#3135B8 #B83178 #B8B431 #31B870

split-complementary

#3135B8 #B87031 #78B831

monochromatic

#171957 #242788 #3135B8 #5558D2 #8588DE

Accessibility & contrast

On white

9.01

#3135B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3135B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3135B8

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3135B8	#FFFFFF	#000000	##FFFFFF
##3135B8	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBC

Deuteranopia (green-blind)

#0042B6

Tritanopia (blue-blind)

#005A73

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3135b8;
/* rgb */ color: rgb(49, 53, 184);
/* oklch */ color: oklch(42.3% 0.200 272.6);

Tailwind

colors: {
  custom: {
    50: '#7e6dcf',
    500: '#3135b8',
    950: '#000000',
  },
}

SCSS

$custom: #3135b8;
$custom-light: #7e6dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3135b8",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 184
  },
  "hsl": {
    "h": 238.222,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.42304,
    "c": 0.19996,
    "h": 272.6
  },
  "luminance": 0.0666
}

Semantic roles & 50–950 ramp

primary

#3135B8

secondary

#C8C67D

accent

#DD47E1

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3135B8

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

Preview Lab → · Contrast checker → · Palette generator →