#2B34A3#2B34A3

#2B34A3 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.7% C 0.176 H 271.8°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#2B34A3
RGB	rgb(43, 52, 163)
HSL	hsl(236, 58%, 40%)
HSV	hsv(236, 74%, 64%)
CMYK	cmyk(73.6%, 68.1%, 0%, 36.1%)
CIE-LAB	lab(28.41, 35.04, -60.77)
CIE-LCH	lch(28.41, 70.14, 299.97°)
OKLab	oklab(39.72% 0.0055 -0.1757)
OKLCH	oklch(39.72% 0.176 271.8)
XYZ	xyz(8.8329, 5.6130, 35.2611)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B34A3 #A39A2B

analogous

#2B70A3 #2B34A3 #5E2BA3

triadic

#2B34A3 #A32B34 #34A32B

tetradic

#2B34A3 #A32B70 #A39A2B #2BA35E

square

#2B34A3 #A32B70 #A39A2B #2BA35E

split-complementary

#2B34A3 #A35E2B #70A32B

monochromatic

#111542 #1E2573 #2B34A3 #3F49CC #6F77D9

Accessibility & contrast

On white

9.89

#2B34A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2B34A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B34A3

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B34A3	#FFFFFF	#000000	##FFFFFF
##2B34A3	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A6

Deuteranopia (green-blind)

#003DA1

Tritanopia (blue-blind)

#005267

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b34a3;
/* rgb */ color: rgb(43, 52, 163);
/* oklch */ color: oklch(39.7% 0.176 271.8);

Tailwind

colors: {
  custom: {
    50: '#776cbf',
    500: '#2b34a3',
    950: '#000000',
  },
}

SCSS

$custom: #2b34a3;
$custom-light: #776cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b34a3",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 163
  },
  "hsl": {
    "h": 235.5,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39718,
    "c": 0.17581,
    "h": 271.8
  },
  "luminance": 0.05614
}

Semantic roles & 50–950 ramp

primary

#2B34A3

secondary

#C0BA6A

accent

#D646E1

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B34A3

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

Preview Lab → · Contrast checker → · Palette generator →