#305AC6#305AC6

#305AC6 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.2% C 0.175 H 264.7°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#305AC6
RGB	rgb(48, 90, 198)
HSL	hsl(223, 61%, 48%)
HSV	hsv(223, 76%, 78%)
CMYK	cmyk(75.8%, 54.5%, 0%, 22.4%)
CIE-LAB	lab(41.24, 23.86, -60.53)
CIE-LCH	lch(41.24, 65.06, 291.51°)
OKLab	oklab(50.21% -0.0161 -0.1745)
OKLCH	oklch(50.21% 0.175 264.7)
XYZ	xyz(15.0645, 12.0162, 54.9406)
Luminance	0.1202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305AC6 #C69C30

analogous

#30A5C6 #305AC6 #5130C6

triadic

#305AC6 #C6305A #5AC630

tetradic

#305AC6 #C630A5 #C69C30 #30C651

square

#305AC6 #C630A5 #C69C30 #30C651

split-complementary

#305AC6 #C65130 #A5C630

monochromatic

#182D63 #244495 #305AC6 #5C7ED7 #8DA5E3

Accessibility & contrast

On white

6.17

#305AC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#305AC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305AC6

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305AC6	#FFFFFF	#000000	##FFFFFF
##305AC6	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CA

Deuteranopia (green-blind)

#005BC4

Tritanopia (blue-blind)

#007487

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #305ac6;
/* rgb */ color: rgb(48, 90, 198);
/* oklch */ color: oklch(50.2% 0.175 264.7);

Tailwind

colors: {
  custom: {
    50: '#7e88d8',
    500: '#305ac6',
    950: '#000000',
  },
}

SCSS

$custom: #305ac6;
$custom-light: #7e88d8;
$custom-dark: #000000;

JSON

{
  "hex": "#305ac6",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 198
  },
  "hsl": {
    "h": 223.2,
    "s": 60.976,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50205,
    "c": 0.17523,
    "h": 264.7
  },
  "luminance": 0.12018
}

Semantic roles & 50–950 ramp

primary

#305AC6

secondary

#CEB984

accent

#B744E4

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #305AC6

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

Preview Lab → · Contrast checker → · Palette generator →