#305CAC#305CAC

#305CAC is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.7% C 0.137 H 261.2°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#305CAC
RGB	rgb(48, 92, 172)
HSL	hsl(219, 56%, 43%)
HSV	hsv(219, 72%, 67%)
CMYK	cmyk(72.1%, 46.5%, 0%, 32.5%)
CIE-LAB	lab(40.01, 12.76, -47.30)
CIE-LCH	lch(40.01, 48.99, 285.09°)
OKLab	oklab(48.7% -0.0209 -0.1355)
OKLCH	oklch(48.7% 0.137 261.2)
XYZ	xyz(12.4898, 11.2599, 40.5369)
Luminance	0.1126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305CAC #AC8030

analogous

#309AAC #305CAC #4230AC

triadic

#305CAC #AC305C #5CAC30

tetradic

#305CAC #AC309A #AC8030 #30AC42

square

#305CAC #AC309A #AC8030 #30AC42

split-complementary

#305CAC #AC4230 #9AAC30

monochromatic

#15294C #23427C #305CAC #4C7ACD #7C9DDA

Accessibility & contrast

On white

6.46

#305CAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#305CAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305CAC

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305CAC	#FFFFFF	#000000	##FFFFFF
##305CAC	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3364AF

Deuteranopia (green-blind)

#1859AA

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #305cac;
/* rgb */ color: rgb(48, 92, 172);
/* oklch */ color: oklch(48.7% 0.137 261.2);

Tailwind

colors: {
  custom: {
    50: '#7889c5',
    500: '#305cac',
    950: '#000000',
  },
}

SCSS

$custom: #305cac;
$custom-light: #7889c5;
$custom-dark: #000000;

JSON

{
  "hex": "#305cac",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 172
  },
  "hsl": {
    "h": 218.71,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48702,
    "c": 0.13714,
    "h": 261.2
  },
  "luminance": 0.11261
}

Semantic roles & 50–950 ramp

primary

#305CAC

secondary

#C3A775

accent

#AA48E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305CAC

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

Preview Lab → · Contrast checker → · Palette generator →