#2B34A6#2B34A6

#2B34A6 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.0% C 0.180 H 271.7°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#2B34A6
RGB	rgb(43, 52, 166)
HSL	hsl(236, 59%, 41%)
HSV	hsv(236, 74%, 65%)
CMYK	cmyk(74.1%, 68.7%, 0%, 34.9%)
CIE-LAB	lab(28.70, 36.11, -62.11)
CIE-LCH	lch(28.70, 71.84, 300.17°)
OKLab	oklab(40.01% 0.0052 -0.1796)
OKLCH	oklch(40.01% 0.18 271.7)
XYZ	xyz(9.1049, 5.7218, 36.6936)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B34A6 #A69D2B

analogous

#2B71A6 #2B34A6 #5F2BA6

triadic

#2B34A6 #A62B34 #34A62B

tetradic

#2B34A6 #A62B71 #A69D2B #2BA65F

square

#2B34A6 #A62B71 #A69D2B #2BA65F

split-complementary

#2B34A6 #A65F2B #71A62B

monochromatic

#121645 #1E2575 #2B34A6 #414BCE #7179DA

Accessibility & contrast

On white

9.79

#2B34A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2B34A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B34A6

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B34A6	#FFFFFF	#000000	##FFFFFF
##2B34A6	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAA

Deuteranopia (green-blind)

#003EA4

Tritanopia (blue-blind)

#005368

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b34a6;
/* rgb */ color: rgb(43, 52, 166);
/* oklch */ color: oklch(40.0% 0.180 271.7);

Tailwind

colors: {
  custom: {
    50: '#776cc1',
    500: '#2b34a6',
    950: '#000000',
  },
}

SCSS

$custom: #2b34a6;
$custom-light: #776cc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b34a6",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 166
  },
  "hsl": {
    "h": 235.61,
    "s": 58.852,
    "l": 40.98
  },
  "oklch": {
    "l": 0.40012,
    "c": 0.17972,
    "h": 271.7
  },
  "luminance": 0.05723
}

Semantic roles & 50–950 ramp

primary

#2B34A6

secondary

#C1BB6B

accent

#D746E2

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B34A6

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

Preview Lab → · Contrast checker → · Palette generator →