#2B4DA0#2B4DA0

#2B4DA0 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.3% C 0.141 H 264.6°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#2B4DA0
RGB	rgb(43, 77, 160)
HSL	hsl(223, 58%, 40%)
HSV	hsv(223, 73%, 63%)
CMYK	cmyk(73.1%, 51.9%, 0%, 37.3%)
CIE-LAB	lab(34.72, 17.37, -48.69)
CIE-LCH	lch(34.72, 51.70, 289.64°)
OKLab	oklab(44.34% -0.0133 -0.14)
OKLCH	oklch(44.34% 0.141 264.6)
XYZ	xyz(9.9931, 8.3584, 34.3376)
Luminance	0.0836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4DA0 #A07E2B

analogous

#2B88A0 #2B4DA0 #442BA0

triadic

#2B4DA0 #A02B4D #4DA02B

tetradic

#2B4DA0 #A02B88 #A07E2B #2BA044

square

#2B4DA0 #A02B88 #A07E2B #2BA044

split-complementary

#2B4DA0 #A0442B #88A02B

monochromatic

#111F40 #1E3670 #2B4DA0 #3D66CB #6E8CD8

Accessibility & contrast

On white

7.86

#2B4DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#2B4DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4DA0

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4DA0	#FFFFFF	#000000	##FFFFFF
##2B4DA0	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1957A3

Deuteranopia (green-blind)

#004D9E

Tritanopia (blue-blind)

#00616F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2b4da0;
/* rgb */ color: rgb(43, 77, 160);
/* oklch */ color: oklch(44.3% 0.141 264.6);

Tailwind

colors: {
  custom: {
    50: '#747ebd',
    500: '#2b4da0',
    950: '#000000',
  },
}

SCSS

$custom: #2b4da0;
$custom-light: #747ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4da0",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 160
  },
  "hsl": {
    "h": 222.564,
    "s": 57.635,
    "l": 39.804
  },
  "oklch": {
    "l": 0.44335,
    "c": 0.1406,
    "h": 264.6
  },
  "luminance": 0.08359
}

Semantic roles & 50–950 ramp

primary

#2B4DA0

secondary

#BFA668

accent

#B447E1

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2B4DA0

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

Preview Lab → · Contrast checker → · Palette generator →