#30599F#30599F

#30599F is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.1% C 0.123 H 260.4°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#30599F
RGB	rgb(48, 89, 159)
HSL	hsl(218, 54%, 41%)
HSV	hsv(218, 70%, 62%)
CMYK	cmyk(69.8%, 44%, 0%, 37.6%)
CIE-LAB	lab(38.33, 9.82, -42.27)
CIE-LCH	lch(38.33, 43.40, 283.08°)
OKLab	oklab(47.14% -0.0205 -0.1208)
OKLCH	oklch(47.14% 0.123 260.4)
XYZ	xyz(11.0471, 10.2752, 34.1953)
Luminance	0.1028 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30599F #9F7630

analogous

#30909F #30599F #3F309F

triadic

#30599F #9F3059 #599F30

tetradic

#30599F #9F3090 #9F7630 #309F3F

square

#30599F #9F3090 #9F7630 #309F3F

split-complementary

#30599F #9F3F30 #909F30

monochromatic

#142441 #223F70 #30599F #4575C7 #7498D5

Accessibility & contrast

On white

6.87

#30599F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#30599F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #30599F

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30599F	#FFFFFF	#000000	##FFFFFF
##30599F	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3760A2

Deuteranopia (green-blind)

#24559E

Tritanopia (blue-blind)

#006974

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #30599f;
/* rgb */ color: rgb(48, 89, 159);
/* oklch */ color: oklch(47.1% 0.123 260.4);

Tailwind

colors: {
  custom: {
    50: '#7687bc',
    500: '#30599f',
    950: '#000000',
  },
}

SCSS

$custom: #30599f;
$custom-light: #7687bc;
$custom-dark: #000000;

JSON

{
  "hex": "#30599f",
  "rgb": {
    "r": 48,
    "g": 89,
    "b": 159
  },
  "hsl": {
    "h": 217.838,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47144,
    "c": 0.12251,
    "h": 260.4
  },
  "luminance": 0.10276
}

Semantic roles & 50–950 ramp

primary

#30599F

secondary

#BDA06E

accent

#A74BDD

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #30599F

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

Preview Lab → · Contrast checker → · Palette generator →