#3123AD#3123AD

#3123AD is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 38.7% C 0.204 H 275.6°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#3123AD
RGB	rgb(49, 35, 173)
HSL	hsl(246, 66%, 41%)
HSV	hsv(246, 80%, 68%)
CMYK	cmyk(71.7%, 79.8%, 0%, 32.2%)
CIE-LAB	lab(26.36, 48.68, -70.16)
CIE-LCH	lch(26.36, 85.40, 304.75°)
OKLab	oklab(38.67% 0.0199 -0.2028)
OKLCH	oklch(38.67% 0.204 275.6)
XYZ	xyz(9.4080, 4.8713, 39.9715)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3123AD #9FAD23

analogous

#235AAD #3123AD #7623AD

triadic

#3123AD #AD3123 #23AD31

tetradic

#3123AD #AD235A #9FAD23 #23AD76

square

#3123AD #AD235A #9FAD23 #23AD76

split-complementary

#3123AD #AD7623 #5AAD23

monochromatic

#140E47 #23197A #3123AD #4737D6 #766AE1

Accessibility & contrast

On white

10.64

#3123AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#3123AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3123AD

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3123AD	#FFFFFF	#000000	##FFFFFF
##3123AD	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B1

Deuteranopia (green-blind)

#0038AB

Tritanopia (blue-blind)

#004D68

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3123ad;
/* rgb */ color: rgb(49, 35, 173);
/* oklch */ color: oklch(38.7% 0.204 275.6);

Tailwind

colors: {
  custom: {
    50: '#7d62c7',
    500: '#3123ad',
    950: '#000000',
  },
}

SCSS

$custom: #3123ad;
$custom-light: #7d62c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3123ad",
  "rgb": {
    "r": 49,
    "g": 35,
    "b": 173
  },
  "hsl": {
    "h": 246.087,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38669,
    "c": 0.20383,
    "h": 275.6
  },
  "luminance": 0.04872
}

Semantic roles & 50–950 ramp

primary

#3123AD

secondary

#BDC765

accent

#E93FD8

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #3123AD

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

Preview Lab → · Contrast checker → · Palette generator →