#30528B#30528B

#30528B is a dark, moderate blue. Relative luminance 0.085; OKLCH L 44.2% C 0.102 H 260.2°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#30528B
RGB	rgb(48, 82, 139)
HSL	hsl(218, 49%, 37%)
HSV	hsv(218, 65%, 55%)
CMYK	cmyk(65.5%, 41%, 0%, 45.5%)
CIE-LAB	lab(35.06, 6.94, -35.41)
CIE-LCH	lch(35.06, 36.08, 281.09°)
OKLab	oklab(44.22% -0.0175 -0.1008)
OKLCH	oklch(44.22% 0.102 260.2)
XYZ	xyz(8.8948, 8.5262, 25.5981)
Luminance	0.0853 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30528B #8B6930

analogous

#30808B #30528B #3B308B

triadic

#30528B #8B3052 #528B30

tetradic

#30528B #8B3080 #8B6930 #308B3B

square

#30528B #8B3080 #8B6930 #308B3B

split-complementary

#30528B #8B3B30 #808B30

monochromatic

#111C30 #20375E #30528B #406DB8 #6A8ECC

Accessibility & contrast

On white

7.76

#30528B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#30528B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30528B

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30528B	#FFFFFF	#000000	##FFFFFF
##30528B	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39578D

Deuteranopia (green-blind)

#2B4F8A

Tritanopia (blue-blind)

#005F67

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #30528b;
/* rgb */ color: rgb(48, 82, 139);
/* oklch */ color: oklch(44.2% 0.102 260.2);

Tailwind

colors: {
  custom: {
    50: '#7282ad',
    500: '#30528b',
    950: '#000000',
  },
}

SCSS

$custom: #30528b;
$custom-light: #7282ad;
$custom-dark: #000000;

JSON

{
  "hex": "#30528b",
  "rgb": {
    "r": 48,
    "g": 82,
    "b": 139
  },
  "hsl": {
    "h": 217.582,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.44221,
    "c": 0.10227,
    "h": 260.2
  },
  "luminance": 0.08527
}

Semantic roles & 50–950 ramp

primary

#30528B

secondary

#B39564

accent

#A550D8

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #30528B

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

Preview Lab → · Contrast checker → · Palette generator →