#305EAB#305EAB

#305EAB is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.1% C 0.133 H 260.1°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#305EAB
RGB	rgb(48, 94, 171)
HSL	hsl(218, 56%, 43%)
HSV	hsv(218, 72%, 67%)
CMYK	cmyk(71.9%, 45%, 0%, 32.9%)
CIE-LAB	lab(40.53, 11.08, -45.89)
CIE-LCH	lch(40.53, 47.20, 283.58°)
OKLab	oklab(49.08% -0.023 -0.1313)
OKLCH	oklch(49.08% 0.133 260.1)
XYZ	xyz(12.5697, 11.5727, 40.0915)
Luminance	0.1157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305EAB #AB7D30

analogous

#309BAB #305EAB #4030AB

triadic

#305EAB #AB305E #5EAB30

tetradic

#305EAB #AB309B #AB7D30 #30AB40

square

#305EAB #AB309B #AB7D30 #30AB40

split-complementary

#305EAB #AB4030 #9BAB30

monochromatic

#15294B #23447B #305EAB #4C7CCD #7B9FDA

Accessibility & contrast

On white

6.34

#305EAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#305EAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305EAB

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305EAB	#FFFFFF	#000000	##FFFFFF
##305EAB	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3866AE

Deuteranopia (green-blind)

#205AA9

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #305eab;
/* rgb */ color: rgb(48, 94, 171);
/* oklch */ color: oklch(49.1% 0.133 260.1);

Tailwind

colors: {
  custom: {
    50: '#788bc4',
    500: '#305eab',
    950: '#000000',
  },
}

SCSS

$custom: #305eab;
$custom-light: #788bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#305eab",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 171
  },
  "hsl": {
    "h": 217.561,
    "s": 56.164,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49078,
    "c": 0.13332,
    "h": 260.1
  },
  "luminance": 0.11574
}

Semantic roles & 50–950 ramp

primary

#305EAB

secondary

#C3A574

accent

#A748DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #305EAB

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

Preview Lab → · Contrast checker → · Palette generator →