#2A30A3#2A30A3

#2A30A3 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.0% C 0.181 H 272.1°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#2A30A3
RGB	rgb(42, 48, 163)
HSL	hsl(237, 59%, 40%)
HSV	hsv(237, 74%, 64%)
CMYK	cmyk(74.2%, 70.6%, 0%, 36.1%)
CIE-LAB	lab(27.43, 37.43, -62.38)
CIE-LCH	lch(27.43, 72.75, 300.96°)
OKLab	oklab(38.99% 0.0068 -0.1805)
OKLCH	oklch(38.99% 0.181 272.1)
XYZ	xyz(8.6204, 5.2496, 35.2022)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A30A3 #A39D2A

analogous

#2A6CA3 #2A30A3 #612AA3

triadic

#2A30A3 #A32A30 #30A32A

tetradic

#2A30A3 #A32A6C #A39D2A #2AA361

square

#2A30A3 #A32A6C #A39D2A #2AA361

split-complementary

#2A30A3 #A3612A #6CA32A

monochromatic

#111342 #1D2272 #2A30A3 #3D44CD #6E73DA

Accessibility & contrast

On white

10.24

#2A30A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2A30A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A30A3

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A30A3	#FFFFFF	#000000	##FFFFFF
##2A30A3	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A6

Deuteranopia (green-blind)

#003BA1

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a30a3;
/* rgb */ color: rgb(42, 48, 163);
/* oklch */ color: oklch(39.0% 0.181 272.1);

Tailwind

colors: {
  custom: {
    50: '#7769bf',
    500: '#2a30a3',
    950: '#000000',
  },
}

SCSS

$custom: #2a30a3;
$custom-light: #7769bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a30a3",
  "rgb": {
    "r": 42,
    "g": 48,
    "b": 163
  },
  "hsl": {
    "h": 237.025,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38994,
    "c": 0.18059,
    "h": 272.1
  },
  "luminance": 0.0525
}

Semantic roles & 50–950 ramp

primary

#2A30A3

secondary

#C0BC68

accent

#DA46E2

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2A30A3

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

Preview Lab → · Contrast checker → · Palette generator →