#3123A2#3123A2

#3123A2 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.5% C 0.191 H 276.8°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#3123A2
RGB	rgb(49, 35, 162)
HSL	hsl(247, 64%, 39%)
HSV	hsv(247, 78%, 64%)
CMYK	cmyk(69.8%, 78.4%, 0%, 36.5%)
CIE-LAB	lab(25.15, 45.25, -65.53)
CIE-LCH	lch(25.15, 79.63, 304.62°)
OKLab	oklab(37.46% 0.0227 -0.1894)
OKLCH	oklch(37.46% 0.191 276.8)
XYZ	xyz(8.3871, 4.4629, 34.5948)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3123A2 #94A223

analogous

#2354A2 #3123A2 #7023A2

triadic

#3123A2 #A23123 #23A231

tetradic

#3123A2 #A22354 #94A223 #23A270

square

#3123A2 #A22354 #94A223 #23A270

split-complementary

#3123A2 #A27023 #54A223

monochromatic

#130D3D #221870 #3123A2 #4230D2 #7062DD

Accessibility & contrast

On white

11.09

#3123A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#3123A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3123A2

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3123A2	#FFFFFF	#000000	##FFFFFF
##3123A2	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A6

Deuteranopia (green-blind)

#0036A0

Tritanopia (blue-blind)

#004962

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3123a2;
/* rgb */ color: rgb(49, 35, 162);
/* oklch */ color: oklch(37.5% 0.191 276.8);

Tailwind

colors: {
  custom: {
    50: '#7a61bf',
    500: '#3123a2',
    950: '#000000',
  },
}

SCSS

$custom: #3123a2;
$custom-light: #7a61bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3123a2",
  "rgb": {
    "r": 49,
    "g": 35,
    "b": 162
  },
  "hsl": {
    "h": 246.614,
    "s": 64.467,
    "l": 38.627
  },
  "oklch": {
    "l": 0.3746,
    "c": 0.19075,
    "h": 276.8
  },
  "luminance": 0.04464
}

Semantic roles & 50–950 ramp

primary

#3123A2

secondary

#B7C25E

accent

#E740D5

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3123A2

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

Preview Lab → · Contrast checker → · Palette generator →