#3130AA#3130AA

#3130AA is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.1% C 0.188 H 274.3°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#3130AA
RGB	rgb(49, 48, 170)
HSL	hsl(240, 56%, 43%)
HSV	hsv(240, 72%, 67%)
CMYK	cmyk(71.2%, 71.8%, 0%, 33.3%)
CIE-LAB	lab(28.56, 40.60, -64.74)
CIE-LCH	lch(28.56, 76.41, 302.09°)
OKLab	oklab(40.13% 0.014 -0.1872)
OKLCH	oklch(40.13% 0.188 274.3)
XYZ	xyz(9.5769, 5.6682, 38.6118)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.51

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3130AA #A9AA30

analogous

#306CAA #3130AA #6E30AA

triadic

#3130AA #AA3130 #30AA31

tetradic

#3130AA #AA306C #A9AA30 #30AA6E

square

#3130AA #AA306C #A9AA30 #30AA6E

split-complementary

#3130AA #AA6E30 #6CAA30

monochromatic

#15154B #23237A #3130AA #4C4BCC #7C7BDA

Accessibility & contrast

On white

9.84

#3130AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3130AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3130AA

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3130AA	#FFFFFF	#000000	##FFFFFF
##3130AA	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AE

Deuteranopia (green-blind)

#003EA8

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3130aa;
/* rgb */ color: rgb(49, 48, 170);
/* oklch */ color: oklch(40.1% 0.188 274.3);

Tailwind

colors: {
  custom: {
    50: '#7b69c4',
    500: '#3130aa',
    950: '#000000',
  },
}

SCSS

$custom: #3130aa;
$custom-light: #7b69c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3130aa",
  "rgb": {
    "r": 49,
    "g": 48,
    "b": 170
  },
  "hsl": {
    "h": 240.492,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40126,
    "c": 0.18769,
    "h": 274.3
  },
  "luminance": 0.05669
}

Semantic roles & 50–950 ramp

primary

#3130AA

secondary

#C1C274

accent

#DF49DE

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3130AA

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

Preview Lab → · Contrast checker → · Palette generator →