#2830A2#2830A2

#2830A2 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.8% C 0.180 H 271.5°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#2830A2
RGB	rgb(40, 48, 162)
HSL	hsl(236, 60%, 40%)
HSV	hsv(236, 75%, 64%)
CMYK	cmyk(75.3%, 70.4%, 0%, 36.5%)
CIE-LAB	lab(27.22, 36.87, -62.13)
CIE-LCH	lch(27.22, 72.24, 300.69°)
OKLab	oklab(38.78% 0.0046 -0.1798)
OKLCH	oklch(38.78% 0.18 271.5)
XYZ	xyz(8.4514, 5.1728, 34.7284)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2830A2 #A29A28

analogous

#286DA2 #2830A2 #5D28A2

triadic

#2830A2 #A22830 #30A228

tetradic

#2830A2 #A2286D #A29A28 #28A25D

square

#2830A2 #A2286D #A29A28 #28A25D

split-complementary

#2830A2 #A25D28 #6DA228

monochromatic

#101340 #1C2171 #2830A2 #3943CE #6A72DA

Accessibility & contrast

On white

10.32

#2830A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2830A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2830A2

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2830A2	#FFFFFF	#000000	##FFFFFF
##2830A2	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A5

Deuteranopia (green-blind)

#003AA0

Tritanopia (blue-blind)

#004F65

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2830a2;
/* rgb */ color: rgb(40, 48, 162);
/* oklch */ color: oklch(38.8% 0.180 271.5);

Tailwind

colors: {
  custom: {
    50: '#7669bf',
    500: '#2830a2',
    950: '#000000',
  },
}

SCSS

$custom: #2830a2;
$custom-light: #7669bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2830a2",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 162
  },
  "hsl": {
    "h": 236.066,
    "s": 60.396,
    "l": 39.608
  },
  "oklch": {
    "l": 0.3878,
    "c": 0.17983,
    "h": 271.5
  },
  "luminance": 0.05174
}

Semantic roles & 50–950 ramp

primary

#2830A2

secondary

#C1BB65

accent

#D944E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2830A2

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

Preview Lab → · Contrast checker → · Palette generator →