#2B34A4#2B34A4

#2B34A4 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.8% C 0.177 H 271.7°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#2B34A4
RGB	rgb(43, 52, 164)
HSL	hsl(236, 58%, 41%)
HSV	hsv(236, 74%, 64%)
CMYK	cmyk(73.8%, 68.3%, 0%, 35.7%)
CIE-LAB	lab(28.51, 35.39, -61.22)
CIE-LCH	lch(28.51, 70.71, 300.04°)
OKLab	oklab(39.82% 0.0054 -0.177)
OKLCH	oklch(39.82% 0.177 271.7)
XYZ	xyz(8.9228, 5.6490, 35.7349)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B34A4 #A49B2B

analogous

#2B70A4 #2B34A4 #5E2BA4

triadic

#2B34A4 #A42B34 #34A42B

tetradic

#2B34A4 #A42B70 #A49B2B #2BA45E

square

#2B34A4 #A42B70 #A49B2B #2BA45E

split-complementary

#2B34A4 #A45E2B #70A42B

monochromatic

#121543 #1E2574 #2B34A4 #3F4ACD #7078D9

Accessibility & contrast

On white

9.86

#2B34A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2B34A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B34A4

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B34A4	#FFFFFF	#000000	##FFFFFF
##2B34A4	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A7

Deuteranopia (green-blind)

#003EA2

Tritanopia (blue-blind)

#005267

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b34a4;
/* rgb */ color: rgb(43, 52, 164);
/* oklch */ color: oklch(39.8% 0.177 271.7);

Tailwind

colors: {
  custom: {
    50: '#776cc0',
    500: '#2b34a4',
    950: '#000000',
  },
}

SCSS

$custom: #2b34a4;
$custom-light: #776cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b34a4",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 164
  },
  "hsl": {
    "h": 235.537,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39816,
    "c": 0.17711,
    "h": 271.7
  },
  "luminance": 0.0565
}

Semantic roles & 50–950 ramp

primary

#2B34A4

secondary

#C1BA6A

accent

#D646E2

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B34A4

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

Preview Lab → · Contrast checker → · Palette generator →