#305DAC#305DAC

#305DAC is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.9% C 0.136 H 260.7°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#305DAC
RGB	rgb(48, 93, 172)
HSL	hsl(218, 56%, 43%)
HSV	hsv(218, 72%, 67%)
CMYK	cmyk(72.1%, 45.9%, 0%, 32.5%)
CIE-LAB	lab(40.30, 12.11, -46.84)
CIE-LCH	lch(40.30, 48.38, 284.49°)
OKLab	oklab(48.92% -0.0218 -0.1341)
OKLCH	oklch(48.92% 0.136 260.7)
XYZ	xyz(12.5770, 11.4343, 40.5659)
Luminance	0.1144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DAC #AC7F30

analogous

#309BAC #305DAC #4130AC

triadic

#305DAC #AC305D #5DAC30

tetradic

#305DAC #AC309B #AC7F30 #30AC41

square

#305DAC #AC309B #AC7F30 #30AC41

split-complementary

#305DAC #AC4130 #9BAC30

monochromatic

#15294C #23437C #305DAC #4C7BCD #7C9EDA

Accessibility & contrast

On white

6.39

#305DAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#305DAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DAC

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DAC	#FFFFFF	#000000	##FFFFFF
##305DAC	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3565AF

Deuteranopia (green-blind)

#1B5AAA

Tritanopia (blue-blind)

#006F7C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #305dac;
/* rgb */ color: rgb(48, 93, 172);
/* oklch */ color: oklch(48.9% 0.136 260.7);

Tailwind

colors: {
  custom: {
    50: '#788ac5',
    500: '#305dac',
    950: '#000000',
  },
}

SCSS

$custom: #305dac;
$custom-light: #788ac5;
$custom-dark: #000000;

JSON

{
  "hex": "#305dac",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 172
  },
  "hsl": {
    "h": 218.226,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48923,
    "c": 0.13592,
    "h": 260.7
  },
  "luminance": 0.11436
}

Semantic roles & 50–950 ramp

primary

#305DAC

secondary

#C3A775

accent

#A948E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305DAC

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

Preview Lab → · Contrast checker → · Palette generator →