#2B30A5#2B30A5

#2B30A5 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.3% C 0.183 H 272.4°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#2B30A5
RGB	rgb(43, 48, 165)
HSL	hsl(238, 59%, 41%)
HSV	hsv(238, 74%, 65%)
CMYK	cmyk(73.9%, 70.9%, 0%, 35.3%)
CIE-LAB	lab(27.69, 38.24, -63.17)
CIE-LCH	lch(27.69, 73.84, 301.19°)
OKLab	oklab(39.25% 0.0076 -0.1827)
OKLCH	oklch(39.25% 0.183 272.4)
XYZ	xyz(8.8425, 5.3432, 36.1553)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B30A5 #A5A02B

analogous

#2B6DA5 #2B30A5 #632BA5

triadic

#2B30A5 #A52B30 #30A52B

tetradic

#2B30A5 #A52B6D #A5A02B #2BA563

square

#2B30A5 #A52B6D #A5A02B #2BA563

split-complementary

#2B30A5 #A5632B #6DA52B

monochromatic

#121444 #1E2274 #2B30A5 #4046CD #7175DA

Accessibility & contrast

On white

10.15

#2B30A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2B30A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B30A5

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B30A5	#FFFFFF	#000000	##FFFFFF
##2B30A5	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A9

Deuteranopia (green-blind)

#003CA3

Tritanopia (blue-blind)

#005067

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b30a5;
/* rgb */ color: rgb(43, 48, 165);
/* oklch */ color: oklch(39.3% 0.183 272.4);

Tailwind

colors: {
  custom: {
    50: '#7869c1',
    500: '#2b30a5',
    950: '#000000',
  },
}

SCSS

$custom: #2b30a5;
$custom-light: #7869c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b30a5",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 165
  },
  "hsl": {
    "h": 237.541,
    "s": 58.654,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39254,
    "c": 0.18289,
    "h": 272.4
  },
  "luminance": 0.05344
}

Semantic roles & 50–950 ramp

primary

#2B30A5

secondary

#C1BE6B

accent

#DB46E2

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2B30A5

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

Preview Lab → · Contrast checker → · Palette generator →