#3127AF#3127AF

#3127AF is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.4% C 0.203 H 275.0°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#3127AF
RGB	rgb(49, 39, 175)
HSL	hsl(244, 64%, 42%)
HSV	hsv(244, 78%, 69%)
CMYK	cmyk(72%, 77.7%, 0%, 31.4%)
CIE-LAB	lab(27.29, 47.27, -69.83)
CIE-LCH	lch(27.29, 84.33, 304.10°)
OKLab	oklab(39.38% 0.0177 -0.2019)
OKLCH	oklch(39.38% 0.203 275)
XYZ	xyz(9.7275, 5.1982, 41.0398)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3127AF #A5AF27

analogous

#2761AF #3127AF #7527AF

triadic

#3127AF #AF3127 #27AF31

tetradic

#3127AF #AF2761 #A5AF27 #27AF75

square

#3127AF #AF2761 #A5AF27 #27AF75

split-complementary

#3127AF #AF7527 #61AF27

monochromatic

#15114B #231C7D #3127AF #4A3FD4 #7971DF

Accessibility & contrast

On white

10.30

#3127AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3127AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3127AF

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3127AF	#FFFFFF	#000000	##FFFFFF
##3127AF	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B3

Deuteranopia (green-blind)

#003AAD

Tritanopia (blue-blind)

#00506A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3127af;
/* rgb */ color: rgb(49, 39, 175);
/* oklch */ color: oklch(39.4% 0.203 275.0);

Tailwind

colors: {
  custom: {
    50: '#7d64c8',
    500: '#3127af',
    950: '#000000',
  },
}

SCSS

$custom: #3127af;
$custom-light: #7d64c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3127af",
  "rgb": {
    "r": 49,
    "g": 39,
    "b": 175
  },
  "hsl": {
    "h": 244.412,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39383,
    "c": 0.2027,
    "h": 275
  },
  "luminance": 0.05199
}

Semantic roles & 50–950 ramp

primary

#3127AF

secondary

#C0C66B

accent

#E741DA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3127AF

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

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