#3051BF#3051BF

#3051BF is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.8% C 0.177 H 266.8°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#3051BF
RGB	rgb(48, 81, 191)
HSL	hsl(226, 60%, 47%)
HSV	hsv(226, 75%, 75%)
CMYK	cmyk(74.9%, 57.6%, 0%, 25.1%)
CIE-LAB	lab(38.33, 27.10, -61.19)
CIE-LCH	lch(38.33, 66.92, 293.89°)
OKLab	oklab(47.85% -0.01 -0.1766)
OKLCH	oklch(47.85% 0.177 266.8)
XYZ	xyz(13.5620, 10.2733, 50.5483)
Luminance	0.1027 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3051BF #BF9E30

analogous

#3099BF #3051BF #5730BF

triadic

#3051BF #BF3051 #51BF30

tetradic

#3051BF #BF3099 #BF9E30 #30BF57

square

#3051BF #BF3099 #BF9E30 #30BF57

split-complementary

#3051BF #BF5730 #99BF30

monochromatic

#17285D #243C8E #3051BF #5774D5 #889DE1

Accessibility & contrast

On white

6.87

#3051BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3051BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3051BF

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3051BF	#FFFFFF	#000000	##FFFFFF
##3051BF	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C3

Deuteranopia (green-blind)

#0054BD

Tritanopia (blue-blind)

#006C80

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3051bf;
/* rgb */ color: rgb(48, 81, 191);
/* oklch */ color: oklch(47.8% 0.177 266.8);

Tailwind

colors: {
  custom: {
    50: '#7d81d3',
    500: '#3051bf',
    950: '#000000',
  },
}

SCSS

$custom: #3051bf;
$custom-light: #7d81d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3051bf",
  "rgb": {
    "r": 48,
    "g": 81,
    "b": 191
  },
  "hsl": {
    "h": 226.154,
    "s": 59.833,
    "l": 46.863
  },
  "oklch": {
    "l": 0.47847,
    "c": 0.17685,
    "h": 266.8
  },
  "luminance": 0.10275
}

Semantic roles & 50–950 ramp

primary

#3051BF

secondary

#CBBA80

accent

#BE45E3

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3051BF

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

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