#305C9D#305C9D

#305C9D is a mid, moderate blue. Relative luminance 0.107; OKLCH L 47.7% C 0.116 H 258.1°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#305C9D
RGB	rgb(48, 92, 157)
HSL	hsl(216, 53%, 40%)
HSV	hsv(216, 69%, 62%)
CMYK	cmyk(69.4%, 41.4%, 0%, 38.4%)
CIE-LAB	lab(39.10, 7.13, -39.85)
CIE-LCH	lch(39.10, 40.48, 280.14°)
OKLab	oklab(47.7% -0.0239 -0.1136)
OKLCH	oklch(47.7% 0.116 258.1)
XYZ	xyz(11.1297, 10.7159, 33.3736)
Luminance	0.1072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305C9D #9D7130

analogous

#30929D #305C9D #3A309D

triadic

#305C9D #9D305C #5C9D30

tetradic

#305C9D #9D3092 #9D7130 #309D3A

square

#305C9D #9D3092 #9D7130 #309D3A

split-complementary

#305C9D #9D3A30 #929D30

monochromatic

#13253F #22416E #305C9D #4479C6 #739AD4

Accessibility & contrast

On white

6.68

#305C9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#305C9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305C9D

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305C9D	#FFFFFF	#000000	##FFFFFF
##305C9D	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E62A0

Deuteranopia (green-blind)

#2D579C

Tritanopia (blue-blind)

#006B75

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #305c9d;
/* rgb */ color: rgb(48, 92, 157);
/* oklch */ color: oklch(47.7% 0.116 258.1);

Tailwind

colors: {
  custom: {
    50: '#7589ba',
    500: '#305c9d',
    950: '#000000',
  },
}

SCSS

$custom: #305c9d;
$custom-light: #7589ba;
$custom-dark: #000000;

JSON

{
  "hex": "#305c9d",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 157
  },
  "hsl": {
    "h": 215.78,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.47697,
    "c": 0.11612,
    "h": 258.1
  },
  "luminance": 0.10717
}

Semantic roles & 50–950 ramp

primary

#305C9D

secondary

#BC9C6D

accent

#A24BDD

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #305C9D

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

Preview Lab → · Contrast checker → · Palette generator →