#30599E#30599E

#30599E is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.1% C 0.121 H 260.2°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#30599E
RGB	rgb(48, 89, 158)
HSL	hsl(218, 53%, 40%)
HSV	hsv(218, 70%, 62%)
CMYK	cmyk(69.6%, 43.7%, 0%, 38%)
CIE-LAB	lab(38.27, 9.44, -41.77)
CIE-LCH	lch(38.27, 42.82, 282.74°)
OKLab	oklab(47.08% -0.0207 -0.1193)
OKLCH	oklch(47.08% 0.121 260.2)
XYZ	xyz(10.9606, 10.2406, 33.7401)
Luminance	0.1024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30599E #9E7530

analogous

#30909E #30599E #3E309E

triadic

#30599E #9E3059 #599E30

tetradic

#30599E #9E3090 #9E7530 #309E3E

square

#30599E #9E3090 #9E7530 #309E3E

split-complementary

#30599E #9E3E30 #909E30

monochromatic

#132440 #223F6F #30599E #4575C6 #7498D5

Accessibility & contrast

On white

6.89

#30599E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#30599E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #30599E

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30599E	#FFFFFF	#000000	##FFFFFF
##30599E	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3860A1

Deuteranopia (green-blind)

#25559D

Tritanopia (blue-blind)

#006974

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #30599e;
/* rgb */ color: rgb(48, 89, 158);
/* oklch */ color: oklch(47.1% 0.121 260.2);

Tailwind

colors: {
  custom: {
    50: '#7587bb',
    500: '#30599e',
    950: '#000000',
  },
}

SCSS

$custom: #30599e;
$custom-light: #7587bb;
$custom-dark: #000000;

JSON

{
  "hex": "#30599e",
  "rgb": {
    "r": 48,
    "g": 89,
    "b": 158
  },
  "hsl": {
    "h": 217.636,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.47077,
    "c": 0.1211,
    "h": 260.2
  },
  "luminance": 0.10242
}

Semantic roles & 50–950 ramp

primary

#30599E

secondary

#BD9F6D

accent

#A64BDD

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #30599E

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

Preview Lab → · Contrast checker → · Palette generator →