#2B4FBC#2B4FBC

#2B4FBC is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.0% C 0.177 H 265.8°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#2B4FBC
RGB	rgb(43, 79, 188)
HSL	hsl(225, 63%, 45%)
HSV	hsv(225, 77%, 74%)
CMYK	cmyk(77.1%, 58%, 0%, 26.3%)
CIE-LAB	lab(37.36, 26.72, -61.02)
CIE-LCH	lch(37.36, 66.61, 293.65°)
OKLab	oklab(46.99% -0.0128 -0.1762)
OKLCH	oklch(46.99% 0.177 265.8)
XYZ	xyz(12.8661, 9.7349, 48.7681)
Luminance	0.0974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4FBC #BC982B

analogous

#2B98BC #2B4FBC #4F2BBC

triadic

#2B4FBC #BC2B4F #4FBC2B

tetradic

#2B4FBC #BC2B98 #BC982B #2BBC4F

square

#2B4FBC #BC2B98 #BC982B #2BBC4F

split-complementary

#2B4FBC #BC4F2B #98BC2B

monochromatic

#142558 #203A8A #2B4FBC #4E70D6 #8098E2

Accessibility & contrast

On white

7.13

#2B4FBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#2B4FBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4FBC

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4FBC	#FFFFFF	#000000	##FFFFFF
##2B4FBC	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC0

Deuteranopia (green-blind)

#0051BA

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2b4fbc;
/* rgb */ color: rgb(43, 79, 188);
/* oklch */ color: oklch(47.0% 0.177 265.8);

Tailwind

colors: {
  custom: {
    50: '#7b7fd1',
    500: '#2b4fbc',
    950: '#000000',
  },
}

SCSS

$custom: #2b4fbc;
$custom-light: #7b7fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4fbc",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 188
  },
  "hsl": {
    "h": 225.103,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46993,
    "c": 0.17665,
    "h": 265.8
  },
  "luminance": 0.09736
}

Semantic roles & 50–950 ramp

primary

#2B4FBC

secondary

#CBB678

accent

#BD42E6

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2B4FBC

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

Preview Lab → · Contrast checker → · Palette generator →