#2B34A5#2B34A5

#2B34A5 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.9% C 0.178 H 271.7°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#2B34A5
RGB	rgb(43, 52, 165)
HSL	hsl(236, 59%, 41%)
HSV	hsv(236, 74%, 65%)
CMYK	cmyk(73.9%, 68.5%, 0%, 35.3%)
CIE-LAB	lab(28.60, 35.75, -61.66)
CIE-LCH	lch(28.60, 71.28, 300.10°)
OKLab	oklab(39.91% 0.0053 -0.1783)
OKLCH	oklch(39.91% 0.178 271.7)
XYZ	xyz(9.0135, 5.6853, 36.2124)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B34A5 #A59C2B

analogous

#2B71A5 #2B34A5 #5F2BA5

triadic

#2B34A5 #A52B34 #34A52B

tetradic

#2B34A5 #A52B71 #A59C2B #2BA55F

square

#2B34A5 #A52B71 #A59C2B #2BA55F

split-complementary

#2B34A5 #A55F2B #71A52B

monochromatic

#121544 #1E2574 #2B34A5 #404ACD #7178DA

Accessibility & contrast

On white

9.83

#2B34A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2B34A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B34A5

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B34A5	#FFFFFF	#000000	##FFFFFF
##2B34A5	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A8

Deuteranopia (green-blind)

#003EA3

Tritanopia (blue-blind)

#005368

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b34a5;
/* rgb */ color: rgb(43, 52, 165);
/* oklch */ color: oklch(39.9% 0.178 271.7);

Tailwind

colors: {
  custom: {
    50: '#776cc1',
    500: '#2b34a5',
    950: '#000000',
  },
}

SCSS

$custom: #2b34a5;
$custom-light: #776cc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b34a5",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 165
  },
  "hsl": {
    "h": 235.574,
    "s": 58.654,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39914,
    "c": 0.17842,
    "h": 271.7
  },
  "luminance": 0.05686
}

Semantic roles & 50–950 ramp

primary

#2B34A5

secondary

#C1BB6B

accent

#D646E2

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B34A5

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

Preview Lab → · Contrast checker → · Palette generator →