#3128AD#3128AD

#3128AD is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.3% C 0.199 H 275.1°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#3128AD
RGB	rgb(49, 40, 173)
HSL	hsl(244, 62%, 42%)
HSV	hsv(244, 77%, 68%)
CMYK	cmyk(71.7%, 76.9%, 0%, 32.2%)
CIE-LAB	lab(27.26, 46.11, -68.68)
CIE-LCH	lch(27.26, 82.72, 303.87°)
OKLab	oklab(39.3% 0.0177 -0.1986)
OKLCH	oklch(39.3% 0.199 275.1)
XYZ	xyz(9.5658, 5.1868, 40.0241)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3128AD #A4AD28

analogous

#2862AD #3128AD #7428AD

triadic

#3128AD #AD3128 #28AD31

tetradic

#3128AD #AD2862 #A4AD28 #28AD74

square

#3128AD #AD2862 #A4AD28 #28AD74

split-complementary

#3128AD #AD7428 #62AD28

monochromatic

#15114A #231D7B #3128AD #493FD3 #7971DE

Accessibility & contrast

On white

10.31

#3128AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3128AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3128AD

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3128AD	#FFFFFF	#000000	##FFFFFF
##3128AD	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B1

Deuteranopia (green-blind)

#003AAB

Tritanopia (blue-blind)

#004F69

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3128ad;
/* rgb */ color: rgb(49, 40, 173);
/* oklch */ color: oklch(39.3% 0.199 275.1);

Tailwind

colors: {
  custom: {
    50: '#7c65c7',
    500: '#3128ad',
    950: '#000000',
  },
}

SCSS

$custom: #3128ad;
$custom-light: #7c65c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3128ad",
  "rgb": {
    "r": 49,
    "g": 40,
    "b": 173
  },
  "hsl": {
    "h": 244.06,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39296,
    "c": 0.19939,
    "h": 275.1
  },
  "luminance": 0.05188
}

Semantic roles & 50–950 ramp

primary

#3128AD

secondary

#BFC56C

accent

#E642DA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3128AD

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

Preview Lab → · Contrast checker → · Palette generator →