#2830A3#2830A3

#2830A3 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.9% C 0.181 H 271.4°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#2830A3
RGB	rgb(40, 48, 163)
HSL	hsl(236, 61%, 40%)
HSV	hsv(236, 75%, 64%)
CMYK	cmyk(75.5%, 70.6%, 0%, 36.1%)
CIE-LAB	lab(27.32, 37.22, -62.57)
CIE-LCH	lch(27.32, 72.81, 300.75°)
OKLab	oklab(38.88% 0.0045 -0.1811)
OKLCH	oklch(38.88% 0.181 271.4)
XYZ	xyz(8.5406, 5.2085, 35.1985)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2830A3 #A39B28

analogous

#286DA3 #2830A3 #5E28A3

triadic

#2830A3 #A32830 #30A328

tetradic

#2830A3 #A3286D #A39B28 #28A35E

square

#2830A3 #A3286D #A39B28 #28A35E

split-complementary

#2830A3 #A35E28 #6DA328

monochromatic

#101341 #1C2272 #2830A3 #3A43CF #6B72DB

Accessibility & contrast

On white

10.29

#2830A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2830A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2830A3

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2830A3	#FFFFFF	#000000	##FFFFFF
##2830A3	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A6

Deuteranopia (green-blind)

#003BA1

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2830a3;
/* rgb */ color: rgb(40, 48, 163);
/* oklch */ color: oklch(38.9% 0.181 271.4);

Tailwind

colors: {
  custom: {
    50: '#7669bf',
    500: '#2830a3',
    950: '#000000',
  },
}

SCSS

$custom: #2830a3;
$custom-light: #7669bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2830a3",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 163
  },
  "hsl": {
    "h": 236.098,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38881,
    "c": 0.18112,
    "h": 271.4
  },
  "luminance": 0.05209
}

Semantic roles & 50–950 ramp

primary

#2830A3

secondary

#C1BB66

accent

#D944E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2830A3

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

Preview Lab → · Contrast checker → · Palette generator →