#305CA0#305CA0

#305CA0 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 47.9% C 0.120 H 258.9°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#305CA0
RGB	rgb(48, 92, 160)
HSL	hsl(216, 54%, 41%)
HSV	hsv(216, 70%, 63%)
CMYK	cmyk(70%, 42.5%, 0%, 37.3%)
CIE-LAB	lab(39.27, 8.25, -41.36)
CIE-LCH	lch(39.27, 42.17, 281.28°)
OKLab	oklab(47.89% -0.0232 -0.1181)
OKLCH	oklch(47.89% 0.12 258.9)
XYZ	xyz(11.3889, 10.8196, 34.7391)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305CA0 #A07430

analogous

#3094A0 #305CA0 #3C30A0

triadic

#305CA0 #A0305C #5CA030

tetradic

#305CA0 #A03094 #A07430 #30A03C

square

#305CA0 #A03094 #A07430 #30A03C

split-complementary

#305CA0 #A03C30 #94A030

monochromatic

#142642 #224171 #305CA0 #4679C7 #759BD6

Accessibility & contrast

On white

6.64

#305CA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#305CA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305CA0

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305CA0	#FFFFFF	#000000	##FFFFFF
##305CA0	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C62A3

Deuteranopia (green-blind)

#2A589F

Tritanopia (blue-blind)

#006C76

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #305ca0;
/* rgb */ color: rgb(48, 92, 160);
/* oklch */ color: oklch(47.9% 0.120 258.9);

Tailwind

colors: {
  custom: {
    50: '#7689bc',
    500: '#305ca0',
    950: '#000000',
  },
}

SCSS

$custom: #305ca0;
$custom-light: #7689bc;
$custom-dark: #000000;

JSON

{
  "hex": "#305ca0",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 160
  },
  "hsl": {
    "h": 216.429,
    "s": 53.846,
    "l": 40.784
  },
  "oklch": {
    "l": 0.47892,
    "c": 0.12033,
    "h": 258.9
  },
  "luminance": 0.10821
}

Semantic roles & 50–950 ramp

primary

#305CA0

secondary

#BE9E6E

accent

#A44BDD

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #305CA0

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

Preview Lab → · Contrast checker → · Palette generator →