#30499B#30499B

#30499B is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.3% C 0.137 H 267.6°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#30499B
RGB	rgb(48, 73, 155)
HSL	hsl(226, 53%, 40%)
HSV	hsv(226, 69%, 61%)
CMYK	cmyk(69%, 52.9%, 0%, 39.2%)
CIE-LAB	lab(33.48, 18.91, -47.67)
CIE-LCH	lch(33.48, 51.28, 291.64°)
OKLab	oklab(43.35% -0.0057 -0.1369)
OKLCH	oklch(43.35% 0.137 267.6)
XYZ	xyz(9.5158, 7.7591, 32.0002)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30499B #9B8230

analogous

#307F9B #30499B #4C309B

triadic

#30499B #9B3049 #499B30

tetradic

#30499B #9B307F #9B8230 #309B4C

square

#30499B #9B307F #9B8230 #309B4C

split-complementary

#30499B #9B4C30 #7F9B30

monochromatic

#131D3E #22336C #30499B #4362C5 #7289D3

Accessibility & contrast

On white

8.23

#30499B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#30499B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30499B

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30499B	#FFFFFF	#000000	##FFFFFF
##30499B	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15549E

Deuteranopia (green-blind)

#004A99

Tritanopia (blue-blind)

#005C6B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #30499b;
/* rgb */ color: rgb(48, 73, 155);
/* oklch */ color: oklch(43.3% 0.137 267.6);

Tailwind

colors: {
  custom: {
    50: '#757bb9',
    500: '#30499b',
    950: '#000000',
  },
}

SCSS

$custom: #30499b;
$custom-light: #757bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#30499b",
  "rgb": {
    "r": 48,
    "g": 73,
    "b": 155
  },
  "hsl": {
    "h": 225.981,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43345,
    "c": 0.13705,
    "h": 267.6
  },
  "luminance": 0.0776
}

Semantic roles & 50–950 ramp

primary

#30499B

secondary

#BBA96C

accent

#BA4CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #30499B

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

Preview Lab → · Contrast checker → · Palette generator →