#3121AA#3121AA

#3121AA is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.1% C 0.202 H 276.1°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#3121AA
RGB	rgb(49, 33, 170)
HSL	hsl(247, 67%, 40%)
HSV	hsv(247, 81%, 67%)
CMYK	cmyk(71.2%, 80.6%, 0%, 33.3%)
CIE-LAB	lab(25.69, 48.74, -69.47)
CIE-LCH	lch(25.69, 84.86, 305.05°)
OKLab	oklab(38.1% 0.0216 -0.2008)
OKLCH	oklch(38.1% 0.202 276.1)
XYZ	xyz(9.0638, 4.6421, 38.4408)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3121AA #9AAA21

analogous

#2156AA #3121AA #7521AA

triadic

#3121AA #AA3121 #21AA31

tetradic

#3121AA #AA2156 #9AAA21 #21AA75

square

#3121AA #AA2156 #9AAA21 #21AA75

split-complementary

#3121AA #AA7521 #56AA21

monochromatic

#130D43 #221777 #3121AA #4531D7 #7364E1

Accessibility & contrast

On white

10.89

#3121AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#3121AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3121AA

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3121AA	#FFFFFF	#000000	##FFFFFF
##3121AA	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AE

Deuteranopia (green-blind)

#0037A8

Tritanopia (blue-blind)

#004B66

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3121aa;
/* rgb */ color: rgb(49, 33, 170);
/* oklch */ color: oklch(38.1% 0.202 276.1);

Tailwind

colors: {
  custom: {
    50: '#7c60c5',
    500: '#3121aa',
    950: '#000000',
  },
}

SCSS

$custom: #3121aa;
$custom-light: #7c60c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3121aa",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 170
  },
  "hsl": {
    "h": 247.007,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38101,
    "c": 0.20198,
    "h": 276.1
  },
  "luminance": 0.04643
}

Semantic roles & 50–950 ramp

primary

#3121AA

secondary

#BAC661

accent

#EA3DD6

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #3121AA

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

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