#305AC9#305AC9

#305AC9 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.4% C 0.179 H 264.9°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#305AC9
RGB	rgb(48, 90, 201)
HSL	hsl(224, 61%, 49%)
HSV	hsv(224, 76%, 79%)
CMYK	cmyk(76.1%, 55.2%, 0%, 21.2%)
CIE-LAB	lab(41.46, 24.98, -61.91)
CIE-LCH	lch(41.46, 66.76, 291.97°)
OKLab	oklab(50.44% -0.0159 -0.1785)
OKLCH	oklch(50.44% 0.179 264.9)
XYZ	xyz(15.4140, 12.1560, 56.7810)
Luminance	0.1216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305AC9 #C99F30

analogous

#30A7C9 #305AC9 #5230C9

triadic

#305AC9 #C9305A #5AC930

tetradic

#305AC9 #C930A7 #C99F30 #30C952

square

#305AC9 #C930A7 #C99F30 #30C952

split-complementary

#305AC9 #C95230 #A7C930

monochromatic

#182E66 #244498 #305AC9 #5E7FD8 #8FA6E4

Accessibility & contrast

On white

6.12

#305AC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#305AC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305AC9

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305AC9	#FFFFFF	#000000	##FFFFFF
##305AC9	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CD

Deuteranopia (green-blind)

#005BC7

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #305ac9;
/* rgb */ color: rgb(48, 90, 201);
/* oklch */ color: oklch(50.4% 0.179 264.9);

Tailwind

colors: {
  custom: {
    50: '#7f88da',
    500: '#305ac9',
    950: '#000000',
  },
}

SCSS

$custom: #305ac9;
$custom-light: #7f88da;
$custom-dark: #000000;

JSON

{
  "hex": "#305ac9",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 201
  },
  "hsl": {
    "h": 223.529,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50442,
    "c": 0.17925,
    "h": 264.9
  },
  "luminance": 0.12158
}

Semantic roles & 50–950 ramp

primary

#305AC9

secondary

#CFBB86

accent

#B843E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #305AC9

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

Preview Lab → · Contrast checker → · Palette generator →