#2B4FA0#2B4FA0

#2B4FA0 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.8% C 0.138 H 263.7°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#2B4FA0
RGB	rgb(43, 79, 160)
HSL	hsl(222, 58%, 40%)
HSV	hsv(222, 73%, 63%)
CMYK	cmyk(73.1%, 50.6%, 0%, 37.3%)
CIE-LAB	lab(35.29, 16.04, -47.77)
CIE-LCH	lch(35.29, 50.39, 288.56°)
OKLab	oklab(44.77% -0.0151 -0.1372)
OKLCH	oklch(44.77% 0.138 263.7)
XYZ	xyz(10.1352, 8.6425, 34.3849)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4FA0 #A07C2B

analogous

#2B8AA0 #2B4FA0 #412BA0

triadic

#2B4FA0 #A02B4F #4FA02B

tetradic

#2B4FA0 #A02B8A #A07C2B #2BA041

square

#2B4FA0 #A02B8A #A07C2B #2BA041

split-complementary

#2B4FA0 #A0412B #8AA02B

monochromatic

#111F40 #1E3770 #2B4FA0 #3D69CB #6E8ED8

Accessibility & contrast

On white

7.70

#2B4FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#2B4FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4FA0

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4FA0	#FFFFFF	#000000	##FFFFFF
##2B4FA0	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F59A3

Deuteranopia (green-blind)

#004E9E

Tritanopia (blue-blind)

#006270

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2b4fa0;
/* rgb */ color: rgb(43, 79, 160);
/* oklch */ color: oklch(44.8% 0.138 263.7);

Tailwind

colors: {
  custom: {
    50: '#747fbd',
    500: '#2b4fa0',
    950: '#000000',
  },
}

SCSS

$custom: #2b4fa0;
$custom-light: #747fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4fa0",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 160
  },
  "hsl": {
    "h": 221.538,
    "s": 57.635,
    "l": 39.804
  },
  "oklch": {
    "l": 0.44768,
    "c": 0.13806,
    "h": 263.7
  },
  "luminance": 0.08644
}

Semantic roles & 50–950 ramp

primary

#2B4FA0

secondary

#BFA468

accent

#B247E1

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2B4FA0

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

Preview Lab → · Contrast checker → · Palette generator →