#3125B3#3125B3

#3125B3 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.6% C 0.209 H 274.8°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#3125B3
RGB	rgb(49, 37, 179)
HSL	hsl(245, 66%, 42%)
HSV	hsv(245, 79%, 70%)
CMYK	cmyk(72.6%, 79.3%, 0%, 29.8%)
CIE-LAB	lab(27.38, 49.55, -72.08)
CIE-LCH	lch(27.38, 87.47, 304.51°)
OKLab	oklab(39.57% 0.0176 -0.2084)
OKLCH	oklch(39.57% 0.209 274.8)
XYZ	xyz(10.0622, 5.2298, 43.1182)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3125B3 #A7B325

analogous

#2560B3 #3125B3 #7825B3

triadic

#3125B3 #B33125 #25B331

tetradic

#3125B3 #B32560 #A7B325 #25B378

square

#3125B3 #B32560 #A7B325 #25B378

split-complementary

#3125B3 #B37825 #60B325

monochromatic

#15104E #231B80 #3125B3 #4B3ED7 #7A71E2

Accessibility & contrast

On white

10.26

#3125B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3125B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3125B3

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3125B3	#FFFFFF	#000000	##FFFFFF
##3125B3	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B7

Deuteranopia (green-blind)

#003AB1

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3125b3;
/* rgb */ color: rgb(49, 37, 179);
/* oklch */ color: oklch(39.6% 0.209 274.8);

Tailwind

colors: {
  custom: {
    50: '#7e63cb',
    500: '#3125b3',
    950: '#000000',
  },
}

SCSS

$custom: #3125b3;
$custom-light: #7e63cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3125b3",
  "rgb": {
    "r": 49,
    "g": 37,
    "b": 179
  },
  "hsl": {
    "h": 245.07,
    "s": 65.741,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39574,
    "c": 0.20918,
    "h": 274.8
  },
  "luminance": 0.05231
}

Semantic roles & 50–950 ramp

primary

#3125B3

secondary

#C1C86B

accent

#E93FDA

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3125B3

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

Preview Lab → · Contrast checker → · Palette generator →