#2830AF#2830AF

#2830AF is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.1% C 0.196 H 270.9°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#2830AF
RGB	rgb(40, 48, 175)
HSL	hsl(236, 63%, 42%)
HSV	hsv(236, 77%, 69%)
CMYK	cmyk(77.1%, 72.6%, 0%, 31.4%)
CIE-LAB	lab(28.54, 41.43, -67.79)
CIE-LCH	lch(28.54, 79.45, 301.43°)
OKLab	oklab(40.12% 0.0029 -0.1963)
OKLCH	oklch(40.12% 0.196 270.9)
XYZ	xyz(9.6673, 5.6591, 41.1320)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2830AF #AFA728

analogous

#2874AF #2830AF #6328AF

triadic

#2830AF #AF2830 #30AF28

tetradic

#2830AF #AF2874 #AFA728 #28AF63

square

#2830AF #AF2874 #AFA728 #28AF63

split-complementary

#2830AF #AF6328 #74AF28

monochromatic

#11154B #1D227D #2830AF #4149D4 #7379DF

Accessibility & contrast

On white

9.85

#2830AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2830AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2830AF

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2830AF	#FFFFFF	#000000	##FFFFFF
##2830AF	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB3

Deuteranopia (green-blind)

#003DAD

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2830af;
/* rgb */ color: rgb(40, 48, 175);
/* oklch */ color: oklch(40.1% 0.196 270.9);

Tailwind

colors: {
  custom: {
    50: '#7969c8',
    500: '#2830af',
    950: '#000000',
  },
}

SCSS

$custom: #2830af;
$custom-light: #7969c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2830af",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 175
  },
  "hsl": {
    "h": 236.444,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40119,
    "c": 0.1963,
    "h": 270.9
  },
  "luminance": 0.0566
}

Semantic roles & 50–950 ramp

primary

#2830AF

secondary

#C6C16D

accent

#DC42E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2830AF

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

Preview Lab → · Contrast checker → · Palette generator →