#3051BC#3051BC

#3051BC is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.6% C 0.173 H 266.6°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#3051BC
RGB	rgb(48, 81, 188)
HSL	hsl(226, 59%, 46%)
HSV	hsv(226, 74%, 74%)
CMYK	cmyk(74.5%, 56.9%, 0%, 26.3%)
CIE-LAB	lab(38.10, 25.98, -59.81)
CIE-LCH	lch(38.10, 65.21, 293.48°)
OKLab	oklab(47.6% -0.0101 -0.1725)
OKLCH	oklch(47.6% 0.173 266.6)
XYZ	xyz(13.2353, 10.1426, 48.8274)
Luminance	0.1014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3051BC #BC9B30

analogous

#3097BC #3051BC #5530BC

triadic

#3051BC #BC3051 #51BC30

tetradic

#3051BC #BC3097 #BC9B30 #30BC55

square

#3051BC #BC3097 #BC9B30 #30BC55

split-complementary

#3051BC #BC5530 #97BC30

monochromatic

#17275A #243C8B #3051BC #5573D4 #869BE0

Accessibility & contrast

On white

6.93

#3051BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#3051BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3051BC

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3051BC	#FFFFFF	#000000	##FFFFFF
##3051BC	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C0

Deuteranopia (green-blind)

#0053BA

Tritanopia (blue-blind)

#006C7E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3051bc;
/* rgb */ color: rgb(48, 81, 188);
/* oklch */ color: oklch(47.6% 0.173 266.6);

Tailwind

colors: {
  custom: {
    50: '#7c81d1',
    500: '#3051bc',
    950: '#000000',
  },
}

SCSS

$custom: #3051bc;
$custom-light: #7c81d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3051bc",
  "rgb": {
    "r": 48,
    "g": 81,
    "b": 188
  },
  "hsl": {
    "h": 225.857,
    "s": 59.322,
    "l": 46.275
  },
  "oklch": {
    "l": 0.47601,
    "c": 0.17282,
    "h": 266.6
  },
  "luminance": 0.10144
}

Semantic roles & 50–950 ramp

primary

#3051BC

secondary

#CAB87E

accent

#BD45E3

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3051BC

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

Preview Lab → · Contrast checker → · Palette generator →