#3123A3#3123A3

#3123A3 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.6% C 0.192 H 276.7°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#3123A3
RGB	rgb(49, 35, 163)
HSL	hsl(247, 65%, 39%)
HSV	hsv(247, 79%, 64%)
CMYK	cmyk(69.9%, 78.5%, 0%, 36.1%)
CIE-LAB	lab(25.26, 45.56, -65.96)
CIE-LCH	lch(25.26, 80.16, 304.64°)
OKLab	oklab(37.57% 0.0225 -0.1906)
OKLCH	oklch(37.57% 0.192 276.7)
XYZ	xyz(8.4764, 4.4986, 35.0648)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3123A3 #95A323

analogous

#2355A3 #3123A3 #7123A3

triadic

#3123A3 #A33123 #23A331

tetradic

#3123A3 #A32355 #95A323 #23A371

square

#3123A3 #A32355 #95A323 #23A371

split-complementary

#3123A3 #A37123 #55A323

monochromatic

#130D3E #221871 #3123A3 #4231D3 #7063DD

Accessibility & contrast

On white

11.05

#3123A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#3123A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3123A3

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3123A3	#FFFFFF	#000000	##FFFFFF
##3123A3	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A7

Deuteranopia (green-blind)

#0036A1

Tritanopia (blue-blind)

#004962

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3123a3;
/* rgb */ color: rgb(49, 35, 163);
/* oklch */ color: oklch(37.6% 0.192 276.7);

Tailwind

colors: {
  custom: {
    50: '#7b61c0',
    500: '#3123a3',
    950: '#000000',
  },
}

SCSS

$custom: #3123a3;
$custom-light: #7b61c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3123a3",
  "rgb": {
    "r": 49,
    "g": 35,
    "b": 163
  },
  "hsl": {
    "h": 246.563,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37569,
    "c": 0.19195,
    "h": 276.7
  },
  "luminance": 0.04499
}

Semantic roles & 50–950 ramp

primary

#3123A3

secondary

#B8C35F

accent

#E840D5

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3123A3

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

Preview Lab → · Contrast checker → · Palette generator →