#3135B3#3135B3

#3135B3 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.8% C 0.194 H 272.9°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#3135B3
RGB	rgb(49, 53, 179)
HSL	hsl(238, 57%, 45%)
HSV	hsv(238, 73%, 70%)
CMYK	cmyk(72.6%, 70.4%, 0%, 29.8%)
CIE-LAB	lab(30.53, 40.68, -66.88)
CIE-LCH	lch(30.53, 78.28, 301.31°)
OKLab	oklab(41.8% 0.0098 -0.1934)
OKLCH	oklch(41.8% 0.194 272.9)
XYZ	xyz(10.6737, 6.4528, 43.3221)
Luminance	0.0645 (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

#3135B3 #B3AF31

analogous

#3176B3 #3135B3 #6E31B3

triadic

#3135B3 #B33135 #35B331

tetradic

#3135B3 #B33176 #B3AF31 #31B36E

square

#3135B3 #B33176 #B3AF31 #31B36E

split-complementary

#3135B3 #B36E31 #76B331

monochromatic

#171953 #242783 #3135B3 #5256D0 #8284DD

Accessibility & contrast

On white

9.17

#3135B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3135B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3135B3

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3135B3	#FFFFFF	#000000	##FFFFFF
##3135B3	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB7

Deuteranopia (green-blind)

#0042B1

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3135b3;
/* rgb */ color: rgb(49, 53, 179);
/* oklch */ color: oklch(41.8% 0.194 272.9);

Tailwind

colors: {
  custom: {
    50: '#7d6dcb',
    500: '#3135b3',
    950: '#000000',
  },
}

SCSS

$custom: #3135b3;
$custom-light: #7d6dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3135b3",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 179
  },
  "hsl": {
    "h": 238.154,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41804,
    "c": 0.19369,
    "h": 272.9
  },
  "luminance": 0.06454
}

Semantic roles & 50–950 ramp

primary

#3135B3

secondary

#C6C47A

accent

#DC48E0

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3135B3

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

Preview Lab → · Contrast checker → · Palette generator →