#2B30A9#2B30A9

#2B30A9 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.7% C 0.188 H 272.2°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#2B30A9
RGB	rgb(43, 48, 169)
HSL	hsl(238, 59%, 42%)
HSV	hsv(238, 75%, 66%)
CMYK	cmyk(74.6%, 71.6%, 0%, 33.7%)
CIE-LAB	lab(28.09, 39.63, -64.92)
CIE-LCH	lch(28.09, 76.06, 301.40°)
OKLab	oklab(39.66% 0.0071 -0.1878)
OKLCH	oklch(39.66% 0.188 272.2)
XYZ	xyz(9.2122, 5.4911, 38.1028)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B30A9 #A9A42B

analogous

#2B6FA9 #2B30A9 #652BA9

triadic

#2B30A9 #A92B30 #30A92B

tetradic

#2B30A9 #A92B6F #A9A42B #2BA965

square

#2B30A9 #A92B6F #A9A42B #2BA965

split-complementary

#2B30A9 #A9652B #6FA92B

monochromatic

#121447 #1F2278 #2B30A9 #4248CF #7377DB

Accessibility & contrast

On white

10.01

#2B30A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2B30A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B30A9

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B30A9	#FFFFFF	#000000	##FFFFFF
##2B30A9	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AD

Deuteranopia (green-blind)

#003CA7

Tritanopia (blue-blind)

#005269

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2b30a9;
/* rgb */ color: rgb(43, 48, 169);
/* oklch */ color: oklch(39.7% 0.188 272.2);

Tailwind

colors: {
  custom: {
    50: '#7969c4',
    500: '#2b30a9',
    950: '#000000',
  },
}

SCSS

$custom: #2b30a9;
$custom-light: #7969c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b30a9",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 169
  },
  "hsl": {
    "h": 237.619,
    "s": 59.434,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39661,
    "c": 0.18798,
    "h": 272.2
  },
  "luminance": 0.05492
}

Semantic roles & 50–950 ramp

primary

#2B30A9

secondary

#C3BF6D

accent

#DC45E3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2B30A9

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

Preview Lab → · Contrast checker → · Palette generator →