#2B4D9F#2B4D9F

#2B4D9F is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.3% C 0.139 H 264.5°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#2B4D9F
RGB	rgb(43, 77, 159)
HSL	hsl(222, 57%, 40%)
HSV	hsv(222, 73%, 62%)
CMYK	cmyk(73%, 51.6%, 0%, 37.6%)
CIE-LAB	lab(34.65, 16.99, -48.20)
CIE-LCH	lch(34.65, 51.11, 289.42°)
OKLab	oklab(44.26% -0.0135 -0.1385)
OKLCH	oklch(44.26% 0.139 264.5)
XYZ	xyz(9.9059, 8.3235, 33.8787)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4D9F #9F7D2B

analogous

#2B879F #2B4D9F #432B9F

triadic

#2B4D9F #9F2B4D #4D9F2B

tetradic

#2B4D9F #9F2B87 #9F7D2B #2B9F43

square

#2B4D9F #9F2B87 #9F7D2B #2B9F43

split-complementary

#2B4D9F #9F432B #879F2B

monochromatic

#111E3F #1E366F #2B4D9F #3D66CA #6D8CD7

Accessibility & contrast

On white

7.88

#2B4D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#2B4D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4D9F

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4D9F	#FFFFFF	#000000	##FFFFFF
##2B4D9F	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B57A2

Deuteranopia (green-blind)

#004C9D

Tritanopia (blue-blind)

#00616E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2b4d9f;
/* rgb */ color: rgb(43, 77, 159);
/* oklch */ color: oklch(44.3% 0.139 264.5);

Tailwind

colors: {
  custom: {
    50: '#747ebc',
    500: '#2b4d9f',
    950: '#000000',
  },
}

SCSS

$custom: #2b4d9f;
$custom-light: #747ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4d9f",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 159
  },
  "hsl": {
    "h": 222.414,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.44259,
    "c": 0.13918,
    "h": 264.5
  },
  "luminance": 0.08325
}

Semantic roles & 50–950 ramp

primary

#2B4D9F

secondary

#BEA567

accent

#B447E1

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2B4D9F

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

Preview Lab → · Contrast checker → · Palette generator →