#3135AB#3135AB

#3135AB is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.0% C 0.183 H 273.4°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#3135AB
RGB	rgb(49, 53, 171)
HSL	hsl(238, 55%, 43%)
HSV	hsv(238, 71%, 67%)
CMYK	cmyk(71.3%, 69%, 0%, 32.9%)
CIE-LAB	lab(29.76, 37.92, -63.36)
CIE-LCH	lch(29.76, 73.84, 300.90°)
OKLab	oklab(41.02% 0.0108 -0.1832)
OKLCH	oklch(41.02% 0.183 273.4)
XYZ	xyz(9.8880, 6.1385, 39.1839)
Luminance	0.0614 (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

#3135AB #ABA731

analogous

#3172AB #3135AB #6A31AB

triadic

#3135AB #AB3135 #35AB31

tetradic

#3135AB #AB3172 #ABA731 #31AB6A

square

#3135AB #AB3172 #ABA731 #31AB6A

split-complementary

#3135AB #AB6A31 #72AB31

monochromatic

#16184C #23267B #3135AB #4D51CC #7D80DA

Accessibility & contrast

On white

9.43

#3135AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3135AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3135AB

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3135AB	#FFFFFF	#000000	##FFFFFF
##3135AB	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAF

Deuteranopia (green-blind)

#0040A9

Tritanopia (blue-blind)

#00556C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3135ab;
/* rgb */ color: rgb(49, 53, 171);
/* oklch */ color: oklch(41.0% 0.183 273.4);

Tailwind

colors: {
  custom: {
    50: '#7b6dc5',
    500: '#3135ab',
    950: '#000000',
  },
}

SCSS

$custom: #3135ab;
$custom-light: #7b6dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3135ab",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 171
  },
  "hsl": {
    "h": 238.033,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41018,
    "c": 0.18348,
    "h": 273.4
  },
  "luminance": 0.06139
}

Semantic roles & 50–950 ramp

primary

#3135AB

secondary

#C2C075

accent

#DA49DF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3135AB

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

Preview Lab → · Contrast checker → · Palette generator →