#3051B2#3051B2

#3051B2 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.8% C 0.159 H 266.1°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#3051B2
RGB	rgb(48, 81, 178)
HSL	hsl(225, 58%, 44%)
HSV	hsv(225, 73%, 70%)
CMYK	cmyk(73%, 54.5%, 0%, 30.2%)
CIE-LAB	lab(37.35, 22.24, -55.15)
CIE-LCH	lch(37.35, 59.46, 291.96°)
OKLab	oklab(46.8% -0.0107 -0.1588)
OKLCH	oklch(46.8% 0.159 266.1)
XYZ	xyz(12.1944, 9.7263, 43.3455)
Luminance	0.0973 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3051B2 #B29130

analogous

#3092B2 #3051B2 #5030B2

triadic

#3051B2 #B23051 #51B230

tetradic

#3051B2 #B23092 #B29130 #30B250

square

#3051B2 #B23092 #B29130 #30B250

split-complementary

#3051B2 #B25030 #92B230

monochromatic

#162552 #233B82 #3051B2 #5070D0 #8097DD

Accessibility & contrast

On white

7.13

#3051B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#3051B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3051B2

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3051B2	#FFFFFF	#000000	##FFFFFF
##3051B2	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB5

Deuteranopia (green-blind)

#0052B0

Tritanopia (blue-blind)

#006979

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3051b2;
/* rgb */ color: rgb(48, 81, 178);
/* oklch */ color: oklch(46.8% 0.159 266.1);

Tailwind

colors: {
  custom: {
    50: '#7a81ca',
    500: '#3051b2',
    950: '#000000',
  },
}

SCSS

$custom: #3051b2;
$custom-light: #7a81ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3051b2",
  "rgb": {
    "r": 48,
    "g": 81,
    "b": 178
  },
  "hsl": {
    "h": 224.769,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.468,
    "c": 0.15917,
    "h": 266.1
  },
  "luminance": 0.09728
}

Semantic roles & 50–950 ramp

primary

#3051B2

secondary

#C6B278

accent

#BA47E1

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3051B2

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

Preview Lab → · Contrast checker → · Palette generator →