#3125B1#3125B1

#3125B1 is a dark, highly saturated blue. Relative luminance 0.051; OKLCH L 39.4% C 0.207 H 275.0°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#3125B1
RGB	rgb(49, 37, 177)
HSL	hsl(245, 65%, 42%)
HSV	hsv(245, 79%, 69%)
CMYK	cmyk(72.3%, 79.1%, 0%, 30.6%)
CIE-LAB	lab(27.16, 48.93, -71.25)
CIE-LCH	lch(27.16, 86.43, 304.48°)
OKLab	oklab(39.35% 0.0181 -0.206)
OKLCH	oklch(39.35% 0.207 275)
XYZ	xyz(9.8614, 5.1495, 42.0607)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3125B1 #A5B125

analogous

#255FB1 #3125B1 #7725B1

triadic

#3125B1 #B13125 #25B131

tetradic

#3125B1 #B1255F #A5B125 #25B177

square

#3125B1 #B1255F #A5B125 #25B177

split-complementary

#3125B1 #B17725 #5FB125

monochromatic

#15104C #231A7E #3125B1 #4A3DD6 #796FE1

Accessibility & contrast

On white

10.34

#3125B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#3125B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3125B1

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3125B1	#FFFFFF	#000000	##FFFFFF
##3125B1	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B5

Deuteranopia (green-blind)

#003AAF

Tritanopia (blue-blind)

#00506B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3125b1;
/* rgb */ color: rgb(49, 37, 177);
/* oklch */ color: oklch(39.4% 0.207 275.0);

Tailwind

colors: {
  custom: {
    50: '#7e63ca',
    500: '#3125b1',
    950: '#000000',
  },
}

SCSS

$custom: #3125b1;
$custom-light: #7e63ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3125b1",
  "rgb": {
    "r": 49,
    "g": 37,
    "b": 177
  },
  "hsl": {
    "h": 245.143,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39352,
    "c": 0.20683,
    "h": 275
  },
  "luminance": 0.0515
}

Semantic roles & 50–950 ramp

primary

#3125B1

secondary

#C0C86A

accent

#E83FDA

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3125B1

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

Preview Lab → · Contrast checker → · Palette generator →