#305A9C#305A9C

#305A9C is a mid, moderate blue. Relative luminance 0.103; OKLCH L 47.2% C 0.117 H 259.1°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#305A9C
RGB	rgb(48, 90, 156)
HSL	hsl(217, 53%, 40%)
HSV	hsv(217, 69%, 61%)
CMYK	cmyk(69.2%, 42.3%, 0%, 38.8%)
CIE-LAB	lab(38.45, 8.05, -40.29)
CIE-LCH	lch(38.45, 41.09, 281.29°)
OKLab	oklab(47.17% -0.0221 -0.115)
OKLCH	oklch(47.17% 0.117 259.1)
XYZ	xyz(10.8737, 10.3399, 32.8688)
Luminance	0.1034 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305A9C #9C7230

analogous

#30909C #305A9C #3C309C

triadic

#305A9C #9C305A #5A9C30

tetradic

#305A9C #9C3090 #9C7230 #309C3C

square

#305A9C #9C3090 #9C7230 #309C3C

split-complementary

#305A9C #9C3C30 #909C30

monochromatic

#13243E #223F6D #305A9C #4476C5 #7398D4

Accessibility & contrast

On white

6.84

#305A9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#305A9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305A9C

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305A9C	#FFFFFF	#000000	##FFFFFF
##305A9C	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B609F

Deuteranopia (green-blind)

#2A569B

Tritanopia (blue-blind)

#006973

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #305a9c;
/* rgb */ color: rgb(48, 90, 156);
/* oklch */ color: oklch(47.2% 0.117 259.1);

Tailwind

colors: {
  custom: {
    50: '#7588b9',
    500: '#305a9c',
    950: '#000000',
  },
}

SCSS

$custom: #305a9c;
$custom-light: #7588b9;
$custom-dark: #000000;

JSON

{
  "hex": "#305a9c",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 156
  },
  "hsl": {
    "h": 216.667,
    "s": 52.941,
    "l": 40
  },
  "oklch": {
    "l": 0.47173,
    "c": 0.11706,
    "h": 259.1
  },
  "luminance": 0.10341
}

Semantic roles & 50–950 ramp

primary

#305A9C

secondary

#BC9D6C

accent

#A44BDC

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #305A9C

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

Preview Lab → · Contrast checker → · Palette generator →