#2830A8#2830A8

#2830A8 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.4% C 0.188 H 271.2°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#2830A8
RGB	rgb(40, 48, 168)
HSL	hsl(236, 62%, 41%)
HSV	hsv(236, 76%, 66%)
CMYK	cmyk(76.2%, 71.4%, 0%, 34.1%)
CIE-LAB	lab(27.82, 38.99, -64.77)
CIE-LCH	lch(27.82, 75.60, 301.05°)
OKLab	oklab(39.39% 0.0039 -0.1875)
OKLCH	oklch(39.39% 0.188 271.2)
XYZ	xyz(8.9975, 5.3912, 37.6046)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2830A8 #A8A028

analogous

#2870A8 #2830A8 #6028A8

triadic

#2830A8 #A82830 #30A828

tetradic

#2830A8 #A82870 #A8A028 #28A860

square

#2830A8 #A82870 #A8A028 #28A860

split-complementary

#2830A8 #A86028 #70A828

monochromatic

#101445 #1C2277 #2830A8 #3D46D1 #6E75DC

Accessibility & contrast

On white

10.10

#2830A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2830A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2830A8

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2830A8	#FFFFFF	#000000	##FFFFFF
##2830A8	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AC

Deuteranopia (green-blind)

#003BA6

Tritanopia (blue-blind)

#005268

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2830a8;
/* rgb */ color: rgb(40, 48, 168);
/* oklch */ color: oklch(39.4% 0.188 271.2);

Tailwind

colors: {
  custom: {
    50: '#7769c3',
    500: '#2830a8',
    950: '#000000',
  },
}

SCSS

$custom: #2830a8;
$custom-light: #7769c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2830a8",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 168
  },
  "hsl": {
    "h": 236.25,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39393,
    "c": 0.18751,
    "h": 271.2
  },
  "luminance": 0.05392
}

Semantic roles & 50–950 ramp

primary

#2830A8

secondary

#C3BE69

accent

#DB43E5

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2830A8

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

Preview Lab → · Contrast checker → · Palette generator →