#305ABC#305ABC

#305ABC is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.4% C 0.162 H 264.0°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#305ABC
RGB	rgb(48, 90, 188)
HSL	hsl(222, 59%, 46%)
HSV	hsv(222, 74%, 74%)
CMYK	cmyk(74.5%, 52.1%, 0%, 26.3%)
CIE-LAB	lab(40.52, 20.10, -55.88)
CIE-LCH	lch(40.52, 59.38, 289.78°)
OKLab	oklab(49.43% -0.017 -0.1608)
OKLCH	oklch(49.43% 0.162 264)
XYZ	xyz(13.9490, 11.5700, 49.0653)
Luminance	0.1157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305ABC #BC9230

analogous

#30A0BC #305ABC #4C30BC

triadic

#305ABC #BC305A #5ABC30

tetradic

#305ABC #BC30A0 #BC9230 #30BC4C

square

#305ABC #BC30A0 #BC9230 #30BC4C

split-complementary

#305ABC #BC4C30 #A0BC30

monochromatic

#172B5A #24438B #305ABC #557BD4 #86A1E0

Accessibility & contrast

On white

6.34

#305ABC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#305ABC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305ABC

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305ABC	#FFFFFF	#000000	##FFFFFF
##305ABC	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1866BF

Deuteranopia (green-blind)

#0059BA

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #305abc;
/* rgb */ color: rgb(48, 90, 188);
/* oklch */ color: oklch(49.4% 0.162 264.0);

Tailwind

colors: {
  custom: {
    50: '#7c88d1',
    500: '#305abc',
    950: '#000000',
  },
}

SCSS

$custom: #305abc;
$custom-light: #7c88d1;
$custom-dark: #000000;

JSON

{
  "hex": "#305abc",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 188
  },
  "hsl": {
    "h": 222,
    "s": 59.322,
    "l": 46.275
  },
  "oklch": {
    "l": 0.49434,
    "c": 0.1617,
    "h": 264
  },
  "luminance": 0.11572
}

Semantic roles & 50–950 ramp

primary

#305ABC

secondary

#CAB37E

accent

#B345E3

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #305ABC

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

Preview Lab → · Contrast checker → · Palette generator →