#2B43A6#2B43A6

#2B43A6 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.8% C 0.162 H 268.3°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#2B43A6
RGB	rgb(43, 67, 166)
HSL	hsl(228, 59%, 41%)
HSV	hsv(228, 74%, 65%)
CMYK	cmyk(74.1%, 59.6%, 0%, 34.9%)
CIE-LAB	lab(32.44, 26.35, -56.00)
CIE-LCH	lch(32.44, 61.89, 295.20°)
OKLab	oklab(42.76% -0.0049 -0.1616)
OKLCH	oklch(42.76% 0.162 268.3)
XYZ	xyz(9.8840, 7.2800, 36.9533)
Luminance	0.0728 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B43A6 #A68E2B

analogous

#2B80A6 #2B43A6 #502BA6

triadic

#2B43A6 #A62B43 #43A62B

tetradic

#2B43A6 #A62B80 #A68E2B #2BA650

square

#2B43A6 #A62B80 #A68E2B #2BA650

split-complementary

#2B43A6 #A6502B #80A62B

monochromatic

#121C45 #1E2F75 #2B43A6 #415CCE #7186DA

Accessibility & contrast

On white

8.55

#2B43A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2B43A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B43A6

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B43A6	#FFFFFF	#000000	##FFFFFF
##2B43A6	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A9

Deuteranopia (green-blind)

#0047A4

Tritanopia (blue-blind)

#005C6E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b43a6;
/* rgb */ color: rgb(43, 67, 166);
/* oklch */ color: oklch(42.8% 0.162 268.3);

Tailwind

colors: {
  custom: {
    50: '#7676c1',
    500: '#2b43a6',
    950: '#000000',
  },
}

SCSS

$custom: #2b43a6;
$custom-light: #7676c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b43a6",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 166
  },
  "hsl": {
    "h": 228.293,
    "s": 58.852,
    "l": 40.98
  },
  "oklch": {
    "l": 0.4276,
    "c": 0.16168,
    "h": 268.3
  },
  "luminance": 0.07281
}

Semantic roles & 50–950 ramp

primary

#2B43A6

secondary

#C1B16B

accent

#C446E2

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B43A6

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

Preview Lab → · Contrast checker → · Palette generator →