#30518B#30518B

#30518B is a dark, moderate blue. Relative luminance 0.084; OKLCH L 44.0% C 0.103 H 260.9°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#30518B
RGB	rgb(48, 81, 139)
HSL	hsl(218, 49%, 37%)
HSV	hsv(218, 65%, 55%)
CMYK	cmyk(65.5%, 41.7%, 0%, 45.5%)
CIE-LAB	lab(34.76, 7.59, -35.89)
CIE-LCH	lch(34.76, 36.68, 281.95°)
OKLab	oklab(43.99% -0.0164 -0.1022)
OKLCH	oklch(43.99% 0.103 260.9)
XYZ	xyz(8.8199, 8.3765, 25.5731)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30518B #8B6A30

analogous

#307F8B #30518B #3D308B

triadic

#30518B #8B3051 #518B30

tetradic

#30518B #8B307F #8B6A30 #308B3D

square

#30518B #8B307F #8B6A30 #308B3D

split-complementary

#30518B #8B3D30 #7F8B30

monochromatic

#111C30 #20365E #30518B #406CB8 #6A8DCC

Accessibility & contrast

On white

7.85

#30518B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#30518B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30518B

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30518B	#FFFFFF	#000000	##FFFFFF
##30518B	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37568D

Deuteranopia (green-blind)

#2A4E8A

Tritanopia (blue-blind)

#005E67

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #30518b;
/* rgb */ color: rgb(48, 81, 139);
/* oklch */ color: oklch(44.0% 0.103 260.9);

Tailwind

colors: {
  custom: {
    50: '#7281ad',
    500: '#30518b',
    950: '#000000',
  },
}

SCSS

$custom: #30518b;
$custom-light: #7281ad;
$custom-dark: #000000;

JSON

{
  "hex": "#30518b",
  "rgb": {
    "r": 48,
    "g": 81,
    "b": 139
  },
  "hsl": {
    "h": 218.242,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.43989,
    "c": 0.10349,
    "h": 260.9
  },
  "luminance": 0.08377
}

Semantic roles & 50–950 ramp

primary

#30518B

secondary

#B39664

accent

#A750D8

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #30518B

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

Preview Lab → · Contrast checker → · Palette generator →