#30599B#30599B

#30599B is a mid, moderate blue. Relative luminance 0.101; OKLCH L 46.9% C 0.117 H 259.5°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#30599B
RGB	rgb(48, 89, 155)
HSL	hsl(217, 53%, 40%)
HSV	hsv(217, 69%, 61%)
CMYK	cmyk(69%, 42.6%, 0%, 39.2%)
CIE-LAB	lab(38.09, 8.32, -40.26)
CIE-LCH	lch(38.09, 41.11, 281.68°)
OKLab	oklab(46.88% -0.0213 -0.1149)
OKLCH	oklch(46.88% 0.117 259.5)
XYZ	xyz(10.7056, 10.1386, 32.3967)
Luminance	0.1014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30599B #9B7230

analogous

#308F9B #30599B #3C309B

triadic

#30599B #9B3059 #599B30

tetradic

#30599B #9B308F #9B7230 #309B3C

square

#30599B #9B308F #9B7230 #309B3C

split-complementary

#30599B #9B3C30 #8F9B30

monochromatic

#13233E #223E6C #30599B #4375C5 #7297D3

Accessibility & contrast

On white

6.94

#30599B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#30599B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #30599B

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30599B	#FFFFFF	#000000	##FFFFFF
##30599B	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5F9E

Deuteranopia (green-blind)

#29559A

Tritanopia (blue-blind)

#006872

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #30599b;
/* rgb */ color: rgb(48, 89, 155);
/* oklch */ color: oklch(46.9% 0.117 259.5);

Tailwind

colors: {
  custom: {
    50: '#7587b9',
    500: '#30599b',
    950: '#000000',
  },
}

SCSS

$custom: #30599b;
$custom-light: #7587b9;
$custom-dark: #000000;

JSON

{
  "hex": "#30599b",
  "rgb": {
    "r": 48,
    "g": 89,
    "b": 155
  },
  "hsl": {
    "h": 217.009,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.46878,
    "c": 0.11685,
    "h": 259.5
  },
  "luminance": 0.1014
}

Semantic roles & 50–950 ramp

primary

#30599B

secondary

#BB9D6C

accent

#A54CDC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #30599B

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

Preview Lab → · Contrast checker → · Palette generator →