#2B4DA8#2B4DA8

#2B4DA8 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 45.0% C 0.152 H 265.3°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#2B4DA8
RGB	rgb(43, 77, 168)
HSL	hsl(224, 59%, 41%)
HSV	hsv(224, 74%, 66%)
CMYK	cmyk(74.4%, 54.2%, 0%, 34.1%)
CIE-LAB	lab(35.30, 20.44, -52.55)
CIE-LCH	lch(35.30, 56.38, 291.25°)
OKLab	oklab(44.96% -0.0125 -0.1513)
OKLCH	oklch(44.96% 0.152 265.3)
XYZ	xyz(10.7155, 8.6473, 38.1426)
Luminance	0.0865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4DA8 #A8862B

analogous

#2B8CA8 #2B4DA8 #482BA8

triadic

#2B4DA8 #A82B4D #4DA82B

tetradic

#2B4DA8 #A82B8C #A8862B #2BA848

square

#2B4DA8 #A82B8C #A8862B #2BA848

split-complementary

#2B4DA8 #A8482B #8CA82B

monochromatic

#122047 #1F3777 #2B4DA8 #4268CF #728FDB

Accessibility & contrast

On white

7.69

#2B4DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#2B4DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4DA8

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4DA8	#FFFFFF	#000000	##FFFFFF
##2B4DA8	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0559AB

Deuteranopia (green-blind)

#004EA6

Tritanopia (blue-blind)

#006373

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2b4da8;
/* rgb */ color: rgb(43, 77, 168);
/* oklch */ color: oklch(45.0% 0.152 265.3);

Tailwind

colors: {
  custom: {
    50: '#767ec2',
    500: '#2b4da8',
    950: '#000000',
  },
}

SCSS

$custom: #2b4da8;
$custom-light: #767ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4da8",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 168
  },
  "hsl": {
    "h": 223.68,
    "s": 59.242,
    "l": 41.373
  },
  "oklch": {
    "l": 0.44957,
    "c": 0.15183,
    "h": 265.3
  },
  "luminance": 0.08648
}

Semantic roles & 50–950 ramp

primary

#2B4DA8

secondary

#C2AB6C

accent

#B845E2

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2B4DA8

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

Preview Lab → · Contrast checker → · Palette generator →