#30289F#30289F

#30289F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.7% C 0.182 H 276.1°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#30289F
RGB	rgb(48, 40, 159)
HSL	hsl(244, 60%, 39%)
HSV	hsv(244, 75%, 62%)
CMYK	cmyk(69.8%, 74.8%, 0%, 37.6%)
CIE-LAB	lab(25.71, 41.46, -62.78)
CIE-LCH	lch(25.71, 75.23, 303.44°)
OKLab	oklab(37.74% 0.0194 -0.1814)
OKLCH	oklch(37.74% 0.182 276.1)
XYZ	xyz(8.2337, 4.6484, 33.2575)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30289F #979F28

analogous

#285C9F #30289F #6C289F

triadic

#30289F #9F3028 #289F30

tetradic

#30289F #9F285C #979F28 #289F6C

square

#30289F #9F285C #979F28 #289F6C

split-complementary

#30289F #9F6C28 #5C9F28

monochromatic

#120F3D #211C6E #30289F #4137CD #7068D9

Accessibility & contrast

On white

10.88

#30289F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#30289F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30289F

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30289F	#FFFFFF	#000000	##FFFFFF
##30289F	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A2

Deuteranopia (green-blind)

#00389D

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #30289f;
/* rgb */ color: rgb(48, 40, 159);
/* oklch */ color: oklch(37.7% 0.182 276.1);

Tailwind

colors: {
  custom: {
    50: '#7964bd',
    500: '#30289f',
    950: '#000000',
  },
}

SCSS

$custom: #30289f;
$custom-light: #7964bd;
$custom-dark: #000000;

JSON

{
  "hex": "#30289f",
  "rgb": {
    "r": 48,
    "g": 40,
    "b": 159
  },
  "hsl": {
    "h": 244.034,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37742,
    "c": 0.18248,
    "h": 276.1
  },
  "luminance": 0.04649
}

Semantic roles & 50–950 ramp

primary

#30289F

secondary

#B9BF64

accent

#E345D8

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #30289F

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

Preview Lab → · Contrast checker → · Palette generator →