#2B4B8A#2B4B8A

#2B4B8A is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.3% C 0.111 H 262.4°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#2B4B8A
RGB	rgb(43, 75, 138)
HSL	hsl(220, 52%, 35%)
HSV	hsv(220, 69%, 54%)
CMYK	cmyk(68.8%, 45.7%, 0%, 45.9%)
CIE-LAB	lab(32.66, 10.29, -38.64)
CIE-LCH	lch(32.66, 39.99, 284.91°)
OKLab	oklab(42.28% -0.0147 -0.1104)
OKLCH	oklch(42.28% 0.111 262.4)
XYZ	xyz(8.0982, 7.3799, 25.0375)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4B8A #8A6A2B

analogous

#2B7A8A #2B4B8A #3A2B8A

triadic

#2B4B8A #8A2B4B #4B8A2B

tetradic

#2B4B8A #8A2B7A #8A6A2B #2B8A3A

square

#2B4B8A #8A2B7A #8A6A2B #2B8A3A

split-complementary

#2B4B8A #8A3A2B #7A8A2B

monochromatic

#0E182D #1C325B #2B4B8A #3A64B9 #6186CE

Accessibility & contrast

On white

8.48

#2B4B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2B4B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4B8A

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4B8A	#FFFFFF	#000000	##FFFFFF
##2B4B8A	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C518C

Deuteranopia (green-blind)

#1C4989

Tritanopia (blue-blind)

#005A63

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b4b8a;
/* rgb */ color: rgb(43, 75, 138);
/* oklch */ color: oklch(42.3% 0.111 262.4);

Tailwind

colors: {
  custom: {
    50: '#707cac',
    500: '#2b4b8a',
    950: '#000000',
  },
}

SCSS

$custom: #2b4b8a;
$custom-light: #707cac;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4b8a",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 138
  },
  "hsl": {
    "h": 219.789,
    "s": 52.486,
    "l": 35.49
  },
  "oklch": {
    "l": 0.42283,
    "c": 0.11141,
    "h": 262.4
  },
  "luminance": 0.07381
}

Semantic roles & 50–950 ramp

primary

#2B4B8A

secondary

#B4975D

accent

#AB4CDC

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4B8A

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

Preview Lab → · Contrast checker → · Palette generator →