#305DAE#305DAE

#305DAE is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.1% C 0.139 H 261.1°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#305DAE
RGB	rgb(48, 93, 174)
HSL	hsl(219, 57%, 44%)
HSV	hsv(219, 72%, 68%)
CMYK	cmyk(72.4%, 46.6%, 0%, 31.8%)
CIE-LAB	lab(40.43, 12.86, -47.82)
CIE-LCH	lch(40.43, 49.51, 285.05°)
OKLab	oklab(49.06% -0.0215 -0.137)
OKLCH	oklch(49.06% 0.139 261.1)
XYZ	xyz(12.7705, 11.5117, 41.5851)
Luminance	0.1151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DAE #AE8130

analogous

#309CAE #305DAE #4230AE

triadic

#305DAE #AE305D #5DAE30

tetradic

#305DAE #AE309C #AE8130 #30AE42

square

#305DAE #AE309C #AE8130 #30AE42

split-complementary

#305DAE #AE4230 #9CAE30

monochromatic

#162A4E #23437E #305DAE #4D7BCE #7D9FDB

Accessibility & contrast

On white

6.36

#305DAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#305DAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DAE

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DAE	#FFFFFF	#000000	##FFFFFF
##305DAE	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3365B1

Deuteranopia (green-blind)

#175AAC

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #305dae;
/* rgb */ color: rgb(48, 93, 174);
/* oklch */ color: oklch(49.1% 0.139 261.1);

Tailwind

colors: {
  custom: {
    50: '#788ac7',
    500: '#305dae',
    950: '#000000',
  },
}

SCSS

$custom: #305dae;
$custom-light: #788ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#305dae",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 174
  },
  "hsl": {
    "h": 218.571,
    "s": 56.757,
    "l": 43.529
  },
  "oklch": {
    "l": 0.49062,
    "c": 0.1387,
    "h": 261.1
  },
  "luminance": 0.11513
}

Semantic roles & 50–950 ramp

primary

#305DAE

secondary

#C4A876

accent

#AA48E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305DAE

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

Preview Lab → · Contrast checker → · Palette generator →