#30288F#30288F

#30288F is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.1% C 0.162 H 278.0°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#30288F
RGB	rgb(48, 40, 143)
HSL	hsl(245, 56%, 36%)
HSV	hsv(245, 72%, 56%)
CMYK	cmyk(66.4%, 72%, 0%, 43.9%)
CIE-LAB	lab(24.09, 36.11, -55.61)
CIE-LCH	lch(24.09, 66.31, 303.00°)
OKLab	oklab(36.1% 0.0225 -0.1605)
OKLCH	oklch(36.1% 0.162 278)
XYZ	xyz(6.9340, 4.1286, 26.4128)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30288F #878F28

analogous

#28538F #30288F #63288F

triadic

#30288F #8F3028 #288F30

tetradic

#30288F #8F2853 #878F28 #288F63

square

#30288F #8F2853 #878F28 #288F63

split-complementary

#30288F #8F6328 #538F28

monochromatic

#100D2F #201B5F #30288F #4035BF #685FD2

Accessibility & contrast

On white

11.50

#30288F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#30288F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30288F

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30288F	#FFFFFF	#000000	##FFFFFF
##30288F	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#00358D

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #30288f;
/* rgb */ color: rgb(48, 40, 143);
/* oklch */ color: oklch(36.1% 0.162 278.0);

Tailwind

colors: {
  custom: {
    50: '#7563b1',
    500: '#30288f',
    950: '#000000',
  },
}

SCSS

$custom: #30288f;
$custom-light: #7563b1;
$custom-dark: #000000;

JSON

{
  "hex": "#30288f",
  "rgb": {
    "r": 48,
    "g": 40,
    "b": 143
  },
  "hsl": {
    "h": 244.66,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36103,
    "c": 0.16208,
    "h": 278
  },
  "luminance": 0.04129
}

Semantic roles & 50–950 ramp

primary

#30288F

secondary

#B1B85B

accent

#E048D4

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #30288F

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

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