#2B4D8F#2B4D8F

#2B4D8F is a dark, moderate blue. Relative luminance 0.078; OKLCH L 43.1% C 0.116 H 262.2°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#2B4D8F
RGB	rgb(43, 77, 143)
HSL	hsl(220, 54%, 36%)
HSV	hsv(220, 70%, 56%)
CMYK	cmyk(69.9%, 46.2%, 0%, 43.9%)
CIE-LAB	lab(33.57, 10.86, -40.24)
CIE-LCH	lch(33.57, 41.68, 285.10°)
OKLab	oklab(43.09% -0.0158 -0.1151)
OKLCH	oklch(43.09% 0.116 262.2)
XYZ	xyz(8.6063, 7.8037, 27.0340)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4D8F #8F6D2B

analogous

#2B7F8F #2B4D8F #3B2B8F

triadic

#2B4D8F #8F2B4D #4D8F2B

tetradic

#2B4D8F #8F2B7F #8F6D2B #2B8F3B

square

#2B4D8F #8F2B7F #8F6D2B #2B8F3B

split-complementary

#2B4D8F #8F3B2B #7F8F2B

monochromatic

#0F1A31 #1D3460 #2B4D8F #3966BE #6489D0

Accessibility & contrast

On white

8.20

#2B4D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#2B4D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4D8F

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4D8F	#FFFFFF	#000000	##FFFFFF
##2B4D8F	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5492

Deuteranopia (green-blind)

#1A4B8E

Tritanopia (blue-blind)

#005C67

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b4d8f;
/* rgb */ color: rgb(43, 77, 143);
/* oklch */ color: oklch(43.1% 0.116 262.2);

Tailwind

colors: {
  custom: {
    50: '#717eb0',
    500: '#2b4d8f',
    950: '#000000',
  },
}

SCSS

$custom: #2b4d8f;
$custom-light: #717eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4d8f",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 143
  },
  "hsl": {
    "h": 219.6,
    "s": 53.763,
    "l": 36.471
  },
  "oklch": {
    "l": 0.43089,
    "c": 0.11619,
    "h": 262.2
  },
  "luminance": 0.07805
}

Semantic roles & 50–950 ramp

primary

#2B4D8F

secondary

#B7995F

accent

#AB4BDD

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4D8F

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

Preview Lab → · Contrast checker → · Palette generator →