#3120BB#3120BB

#3120BB is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.9% C 0.222 H 274.4°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#3120BB
RGB	rgb(49, 32, 187)
HSL	hsl(247, 71%, 43%)
HSV	hsv(247, 83%, 73%)
CMYK	cmyk(73.8%, 82.9%, 0%, 26.7%)
CIE-LAB	lab(27.50, 54.31, -76.64)
CIE-LCH	lch(27.50, 93.93, 305.32°)
OKLab	oklab(39.92% 0.0172 -0.2216)
OKLCH	oklch(39.92% 0.222 274.4)
XYZ	xyz(10.7498, 5.2728, 47.4553)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3120BB #AABB20

analogous

#205CBB #3120BB #7F20BB

triadic

#3120BB #BB3120 #20BB31

tetradic

#3120BB #BB205C #AABB20 #20BB7F

square

#3120BB #BB205C #AABB20 #20BB7F

split-complementary

#3120BB #BB7F20 #5CBB20

monochromatic

#160E52 #231787 #3120BB #4D3BDD #7C6FE6

Accessibility & contrast

On white

10.22

#3120BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3120BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3120BB

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3120BB	#FFFFFF	#000000	##FFFFFF
##3120BB	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048BF

Deuteranopia (green-blind)

#003AB8

Tritanopia (blue-blind)

#005270

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3120bb;
/* rgb */ color: rgb(49, 32, 187);
/* oklch */ color: oklch(39.9% 0.222 274.4);

Tailwind

colors: {
  custom: {
    50: '#8061d1',
    500: '#3120bb',
    950: '#000000',
  },
}

SCSS

$custom: #3120bb;
$custom-light: #8061d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3120bb",
  "rgb": {
    "r": 49,
    "g": 32,
    "b": 187
  },
  "hsl": {
    "h": 246.581,
    "s": 70.776,
    "l": 42.941
  },
  "oklch": {
    "l": 0.39923,
    "c": 0.22227,
    "h": 274.4
  },
  "luminance": 0.05274
}

Semantic roles & 50–950 ramp

primary

#3120BB

secondary

#C2CD6A

accent

#EE3ADA

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #3120BB

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

Preview Lab → · Contrast checker → · Palette generator →