#305288#305288

#305288 is a dark, moderate blue. Relative luminance 0.084; OKLCH L 44.0% C 0.098 H 259.3°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#305288
RGB	rgb(48, 82, 136)
HSL	hsl(217, 48%, 36%)
HSV	hsv(217, 65%, 53%)
CMYK	cmyk(64.7%, 39.7%, 0%, 46.7%)
CIE-LAB	lab(34.88, 5.83, -33.85)
CIE-LCH	lch(34.88, 34.35, 279.77°)
OKLab	oklab(44.03% -0.0182 -0.0962)
OKLCH	oklch(44.03% 0.098 259.3)
XYZ	xyz(8.6786, 8.4397, 24.4595)
Luminance	0.0844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305288 #886630

analogous

#307E88 #305288 #3A3088

triadic

#305288 #883052 #528830

tetradic

#305288 #88307E #886630 #30883A

square

#305288 #88307E #886630 #30883A

split-complementary

#305288 #883A30 #7E8830

monochromatic

#101B2E #20375B #305288 #406DB5 #698ECA

Accessibility & contrast

On white

7.81

#305288 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#305288 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #305288

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305288	#FFFFFF	#000000	##FFFFFF
##305288	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A568A

Deuteranopia (green-blind)

#2E4E87

Tritanopia (blue-blind)

#005E66

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #305288;
/* rgb */ color: rgb(48, 82, 136);
/* oklch */ color: oklch(44.0% 0.098 259.3);

Tailwind

colors: {
  custom: {
    50: '#7182ab',
    500: '#305288',
    950: '#000000',
  },
}

SCSS

$custom: #305288;
$custom-light: #7182ab;
$custom-dark: #000000;

JSON

{
  "hex": "#305288",
  "rgb": {
    "r": 48,
    "g": 82,
    "b": 136
  },
  "hsl": {
    "h": 216.818,
    "s": 47.826,
    "l": 36.078
  },
  "oklch": {
    "l": 0.44031,
    "c": 0.0979,
    "h": 259.3
  },
  "luminance": 0.08441
}

Semantic roles & 50–950 ramp

primary

#305288

secondary

#B19363

accent

#A350D7

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #305288

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

Preview Lab → · Contrast checker → · Palette generator →