#2B34A9#2B34A9

#2B34A9 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.3% C 0.184 H 271.5°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#2B34A9
RGB	rgb(43, 52, 169)
HSL	hsl(236, 59%, 42%)
HSV	hsv(236, 75%, 66%)
CMYK	cmyk(74.6%, 69.2%, 0%, 33.7%)
CIE-LAB	lab(28.99, 37.17, -63.44)
CIE-LCH	lch(28.99, 73.53, 300.37°)
OKLab	oklab(40.31% 0.0049 -0.1835)
OKLCH	oklch(40.31% 0.184 271.5)
XYZ	xyz(9.3833, 5.8332, 38.1598)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.81

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B34A9 #A9A02B

analogous

#2B73A9 #2B34A9 #612BA9

triadic

#2B34A9 #A92B34 #34A92B

tetradic

#2B34A9 #A92B73 #A9A02B #2BA961

square

#2B34A9 #A92B73 #A9A02B #2BA961

split-complementary

#2B34A9 #A9612B #73A92B

monochromatic

#121647 #1F2578 #2B34A9 #424CCF #737ADB

Accessibility & contrast

On white

9.69

#2B34A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2B34A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B34A9

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B34A9	#FFFFFF	#000000	##FFFFFF
##2B34A9	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAD

Deuteranopia (green-blind)

#003EA7

Tritanopia (blue-blind)

#00546A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b34a9;
/* rgb */ color: rgb(43, 52, 169);
/* oklch */ color: oklch(40.3% 0.184 271.5);

Tailwind

colors: {
  custom: {
    50: '#786cc4',
    500: '#2b34a9',
    950: '#000000',
  },
}

SCSS

$custom: #2b34a9;
$custom-light: #786cc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b34a9",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 169
  },
  "hsl": {
    "h": 235.714,
    "s": 59.434,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40308,
    "c": 0.1836,
    "h": 271.5
  },
  "luminance": 0.05834
}

Semantic roles & 50–950 ramp

primary

#2B34A9

secondary

#C3BD6D

accent

#D745E3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2B34A9

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

Preview Lab → · Contrast checker → · Palette generator →