#3051BD#3051BD

#3051BD is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.7% C 0.174 H 266.7°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#3051BD
RGB	rgb(48, 81, 189)
HSL	hsl(226, 59%, 46%)
HSV	hsv(226, 75%, 74%)
CMYK	cmyk(74.6%, 57.1%, 0%, 25.9%)
CIE-LAB	lab(38.17, 26.36, -60.27)
CIE-LCH	lch(38.17, 65.78, 293.62°)
OKLab	oklab(47.68% -0.0101 -0.1739)
OKLCH	oklch(47.68% 0.174 266.7)
XYZ	xyz(13.3435, 10.1859, 49.3971)
Luminance	0.1019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3051BD #BD9C30

analogous

#3098BD #3051BD #5530BD

triadic

#3051BD #BD3051 #51BD30

tetradic

#3051BD #BD3098 #BD9C30 #30BD55

square

#3051BD #BD3098 #BD9C30 #30BD55

split-complementary

#3051BD #BD5530 #98BD30

monochromatic

#17275B #243C8C #3051BD #5674D4 #879CE0

Accessibility & contrast

On white

6.91

#3051BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3051BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3051BD

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3051BD	#FFFFFF	#000000	##FFFFFF
##3051BD	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C1

Deuteranopia (green-blind)

#0054BB

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3051bd;
/* rgb */ color: rgb(48, 81, 189);
/* oklch */ color: oklch(47.7% 0.174 266.7);

Tailwind

colors: {
  custom: {
    50: '#7c81d2',
    500: '#3051bd',
    950: '#000000',
  },
}

SCSS

$custom: #3051bd;
$custom-light: #7c81d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3051bd",
  "rgb": {
    "r": 48,
    "g": 81,
    "b": 189
  },
  "hsl": {
    "h": 225.957,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.47683,
    "c": 0.17417,
    "h": 266.7
  },
  "luminance": 0.10187
}

Semantic roles & 50–950 ramp

primary

#3051BD

secondary

#CAB87F

accent

#BE45E3

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3051BD

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

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