#2B41A3#2B41A3

#2B41A3 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.1% C 0.160 H 268.8°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#2B41A3
RGB	rgb(43, 65, 163)
HSL	hsl(229, 58%, 40%)
HSV	hsv(229, 74%, 64%)
CMYK	cmyk(73.6%, 60.1%, 0%, 36.1%)
CIE-LAB	lab(31.66, 26.55, -55.45)
CIE-LCH	lch(31.66, 61.48, 295.59°)
OKLab	oklab(42.11% -0.0034 -0.16)
OKLCH	oklch(42.11% 0.16 268.8)
XYZ	xyz(9.4951, 6.9375, 35.4819)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B41A3 #A38D2B

analogous

#2B7DA3 #2B41A3 #512BA3

triadic

#2B41A3 #A32B41 #41A32B

tetradic

#2B41A3 #A32B7D #A38D2B #2BA351

square

#2B41A3 #A32B7D #A38D2B #2BA351

split-complementary

#2B41A3 #A3512B #7DA32B

monochromatic

#111A42 #1E2E73 #2B41A3 #3F59CC #6F83D9

Accessibility & contrast

On white

8.79

#2B41A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2B41A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B41A3

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B41A3	#FFFFFF	#000000	##FFFFFF
##2B41A3	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A6

Deuteranopia (green-blind)

#0045A1

Tritanopia (blue-blind)

#005A6B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b41a3;
/* rgb */ color: rgb(43, 65, 163);
/* oklch */ color: oklch(42.1% 0.160 268.8);

Tailwind

colors: {
  custom: {
    50: '#7675bf',
    500: '#2b41a3',
    950: '#000000',
  },
}

SCSS

$custom: #2b41a3;
$custom-light: #7675bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b41a3",
  "rgb": {
    "r": 43,
    "g": 65,
    "b": 163
  },
  "hsl": {
    "h": 229,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.42109,
    "c": 0.16007,
    "h": 268.8
  },
  "luminance": 0.06939
}

Semantic roles & 50–950 ramp

primary

#2B41A3

secondary

#C0B06A

accent

#C546E1

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B41A3

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

Preview Lab → · Contrast checker → · Palette generator →