#2830A0#2830A0

#2830A0 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.6% C 0.177 H 271.6°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#2830A0
RGB	rgb(40, 48, 160)
HSL	hsl(236, 60%, 39%)
HSV	hsv(236, 75%, 63%)
CMYK	cmyk(75%, 70%, 0%, 37.3%)
CIE-LAB	lab(27.02, 36.16, -61.24)
CIE-LCH	lch(27.02, 71.12, 300.56°)
OKLab	oklab(38.58% 0.0049 -0.1772)
OKLCH	oklch(38.58% 0.177 271.6)
XYZ	xyz(8.2750, 5.1022, 33.7996)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2830A0 #A09828

analogous

#286CA0 #2830A0 #5C28A0

triadic

#2830A0 #A02830 #30A028

tetradic

#2830A0 #A0286C #A09828 #28A05C

square

#2830A0 #A0286C #A09828 #28A05C

split-complementary

#2830A0 #A05C28 #6CA028

monochromatic

#10133E #1C216F #2830A0 #3842CD #6970D9

Accessibility & contrast

On white

10.39

#2830A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2830A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2830A0

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2830A0	#FFFFFF	#000000	##FFFFFF
##2830A0	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A3

Deuteranopia (green-blind)

#003A9E

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2830a0;
/* rgb */ color: rgb(40, 48, 160);
/* oklch */ color: oklch(38.6% 0.177 271.6);

Tailwind

colors: {
  custom: {
    50: '#7569bd',
    500: '#2830a0',
    950: '#000000',
  },
}

SCSS

$custom: #2830a0;
$custom-light: #7569bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2830a0",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 160
  },
  "hsl": {
    "h": 236,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38578,
    "c": 0.17725,
    "h": 271.6
  },
  "luminance": 0.05103
}

Semantic roles & 50–950 ramp

primary

#2830A0

secondary

#C0BA64

accent

#D945E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2830A0

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

Preview Lab → · Contrast checker → · Palette generator →