#305AC3#305AC3

#305AC3 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.0% C 0.171 H 264.5°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#305AC3
RGB	rgb(48, 90, 195)
HSL	hsl(223, 60%, 48%)
HSV	hsv(223, 75%, 76%)
CMYK	cmyk(75.4%, 53.8%, 0%, 23.5%)
CIE-LAB	lab(41.02, 22.73, -59.14)
CIE-LCH	lch(41.02, 63.36, 291.02°)
OKLab	oklab(49.97% -0.0164 -0.1704)
OKLCH	oklch(49.97% 0.171 264.5)
XYZ	xyz(14.7219, 11.8792, 53.1362)
Luminance	0.1188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305AC3 #C39930

analogous

#30A4C3 #305AC3 #4F30C3

triadic

#305AC3 #C3305A #5AC330

tetradic

#305AC3 #C330A4 #C39930 #30C34F

square

#305AC3 #C330A4 #C39930 #30C34F

split-complementary

#305AC3 #C34F30 #A4C330

monochromatic

#182D61 #244392 #305AC3 #5A7DD6 #8BA4E2

Accessibility & contrast

On white

6.22

#305AC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#305AC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305AC3

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305AC3	#FFFFFF	#000000	##FFFFFF
##305AC3	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0168C7

Deuteranopia (green-blind)

#005AC1

Tritanopia (blue-blind)

#007486

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #305ac3;
/* rgb */ color: rgb(48, 90, 195);
/* oklch */ color: oklch(50.0% 0.171 264.5);

Tailwind

colors: {
  custom: {
    50: '#7d88d6',
    500: '#305ac3',
    950: '#000000',
  },
}

SCSS

$custom: #305ac3;
$custom-light: #7d88d6;
$custom-dark: #000000;

JSON

{
  "hex": "#305ac3",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 195
  },
  "hsl": {
    "h": 222.857,
    "s": 60.494,
    "l": 47.647
  },
  "oklch": {
    "l": 0.49971,
    "c": 0.1712,
    "h": 264.5
  },
  "luminance": 0.11881
}

Semantic roles & 50–950 ramp

primary

#305AC3

secondary

#CCB782

accent

#B644E4

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #305AC3

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

Preview Lab → · Contrast checker → · Palette generator →