#30488B#30488B

#30488B is a dark, moderate blue. Relative luminance 0.071; OKLCH L 41.9% C 0.115 H 266.6°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#30488B
RGB	rgb(48, 72, 139)
HSL	hsl(224, 49%, 37%)
HSV	hsv(224, 65%, 55%)
CMYK	cmyk(65.5%, 48.2%, 0%, 45.5%)
CIE-LAB	lab(32.09, 13.59, -40.14)
CIE-LCH	lch(32.09, 42.38, 288.70°)
OKLab	oklab(41.94% -0.0067 -0.1148)
OKLCH	oklch(41.94% 0.115 266.6)
XYZ	xyz(8.1949, 7.1264, 25.3648)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30488B #8B7330

analogous

#30768B #30488B #46308B

triadic

#30488B #8B3048 #488B30

tetradic

#30488B #8B3076 #8B7330 #308B46

square

#30488B #8B3076 #8B7330 #308B46

split-complementary

#30488B #8B4630 #768B30

monochromatic

#111930 #20305E #30488B #4060B8 #6A84CC

Accessibility & contrast

On white

8.66

#30488B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#30488B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30488B

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30488B	#FFFFFF	#000000	##FFFFFF
##30488B	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26508D

Deuteranopia (green-blind)

#16488A

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #30488b;
/* rgb */ color: rgb(48, 72, 139);
/* oklch */ color: oklch(41.9% 0.115 266.6);

Tailwind

colors: {
  custom: {
    50: '#727aad',
    500: '#30488b',
    950: '#000000',
  },
}

SCSS

$custom: #30488b;
$custom-light: #727aad;
$custom-dark: #000000;

JSON

{
  "hex": "#30488b",
  "rgb": {
    "r": 48,
    "g": 72,
    "b": 139
  },
  "hsl": {
    "h": 224.176,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.41941,
    "c": 0.115,
    "h": 266.6
  },
  "luminance": 0.07127
}

Semantic roles & 50–950 ramp

primary

#30488B

secondary

#B39E64

accent

#B450D8

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #30488B

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

Preview Lab → · Contrast checker → · Palette generator →