#2B4EA0#2B4EA0

#2B4EA0 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.6% C 0.139 H 264.1°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#2B4EA0
RGB	rgb(43, 78, 160)
HSL	hsl(222, 58%, 40%)
HSV	hsv(222, 73%, 63%)
CMYK	cmyk(73.1%, 51.2%, 0%, 37.3%)
CIE-LAB	lab(35.00, 16.71, -48.23)
CIE-LCH	lch(35.00, 51.04, 289.10°)
OKLab	oklab(44.55% -0.0142 -0.1386)
OKLCH	oklch(44.55% 0.139 264.1)
XYZ	xyz(10.0636, 8.4994, 34.3611)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4EA0 #A07D2B

analogous

#2B89A0 #2B4EA0 #422BA0

triadic

#2B4EA0 #A02B4E #4EA02B

tetradic

#2B4EA0 #A02B89 #A07D2B #2BA042

square

#2B4EA0 #A02B89 #A07D2B #2BA042

split-complementary

#2B4EA0 #A0422B #89A02B

monochromatic

#111F40 #1E3670 #2B4EA0 #3D68CB #6E8DD8

Accessibility & contrast

On white

7.78

#2B4EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2B4EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4EA0

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4EA0	#FFFFFF	#000000	##FFFFFF
##2B4EA0	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C58A3

Deuteranopia (green-blind)

#004D9E

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2b4ea0;
/* rgb */ color: rgb(43, 78, 160);
/* oklch */ color: oklch(44.6% 0.139 264.1);

Tailwind

colors: {
  custom: {
    50: '#747fbd',
    500: '#2b4ea0',
    950: '#000000',
  },
}

SCSS

$custom: #2b4ea0;
$custom-light: #747fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4ea0",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 160
  },
  "hsl": {
    "h": 222.051,
    "s": 57.635,
    "l": 39.804
  },
  "oklch": {
    "l": 0.44551,
    "c": 0.13933,
    "h": 264.1
  },
  "luminance": 0.085
}

Semantic roles & 50–950 ramp

primary

#2B4EA0

secondary

#BFA568

accent

#B347E1

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2B4EA0

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

Preview Lab → · Contrast checker → · Palette generator →