#2B4FA8#2B4FA8

#2B4FA8 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.4% C 0.149 H 264.6°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#2B4FA8
RGB	rgb(43, 79, 168)
HSL	hsl(223, 59%, 41%)
HSV	hsv(223, 74%, 66%)
CMYK	cmyk(74.4%, 53%, 0%, 34.1%)
CIE-LAB	lab(35.85, 19.11, -51.65)
CIE-LCH	lch(35.85, 55.07, 290.30°)
OKLab	oklab(45.38% -0.0142 -0.1486)
OKLCH	oklch(45.38% 0.149 264.6)
XYZ	xyz(10.8576, 8.9315, 38.1899)
Luminance	0.0893 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4FA8 #A8842B

analogous

#2B8EA8 #2B4FA8 #462BA8

triadic

#2B4FA8 #A82B4F #4FA82B

tetradic

#2B4FA8 #A82B8E #A8842B #2BA846

square

#2B4FA8 #A82B8E #A8842B #2BA846

split-complementary

#2B4FA8 #A8462B #8EA82B

monochromatic

#122147 #1F3877 #2B4FA8 #426ACF #7291DB

Accessibility & contrast

On white

7.54

#2B4FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#2B4FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4FA8

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4FA8	#FFFFFF	#000000	##FFFFFF
##2B4FA8	1.00	7.54	2.79	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#115AAB

Deuteranopia (green-blind)

#004FA6

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b4fa8;
/* rgb */ color: rgb(43, 79, 168);
/* oklch */ color: oklch(45.4% 0.149 264.6);

Tailwind

colors: {
  custom: {
    50: '#767fc2',
    500: '#2b4fa8',
    950: '#000000',
  },
}

SCSS

$custom: #2b4fa8;
$custom-light: #767fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4fa8",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 168
  },
  "hsl": {
    "h": 222.72,
    "s": 59.242,
    "l": 41.373
  },
  "oklch": {
    "l": 0.45378,
    "c": 0.1493,
    "h": 264.6
  },
  "luminance": 0.08933
}

Semantic roles & 50–950 ramp

primary

#2B4FA8

secondary

#C2AA6C

accent

#B545E2

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #2B4FA8

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

Preview Lab → · Contrast checker → · Palette generator →