#2B4E8B#2B4E8B

#2B4E8B is a dark, moderate blue. Relative luminance 0.078; OKLCH L 43.0% C 0.109 H 260.7°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#2B4E8B
RGB	rgb(43, 78, 139)
HSL	hsl(218, 53%, 36%)
HSV	hsv(218, 69%, 55%)
CMYK	cmyk(69.1%, 43.9%, 0%, 45.5%)
CIE-LAB	lab(33.62, 8.66, -37.72)
CIE-LCH	lch(33.62, 38.70, 282.94°)
OKLab	oklab(43.04% -0.0176 -0.1077)
OKLCH	oklch(43.04% 0.109 260.7)
XYZ	xyz(8.3792, 7.8256, 25.4900)
Luminance	0.0783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4E8B #8B682B

analogous

#2B7E8B #2B4E8B #382B8B

triadic

#2B4E8B #8B2B4E #4E8B2B

tetradic

#2B4E8B #8B2B7E #8B682B #2B8B38

square

#2B4E8B #8B2B7E #8B682B #2B8B38

split-complementary

#2B4E8B #8B382B #7E8B2B

monochromatic

#0E1A2E #1D345C #2B4E8B #3968BA #628ACE

Accessibility & contrast

On white

8.19

#2B4E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2B4E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4E8B

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4E8B	#FFFFFF	#000000	##FFFFFF
##2B4E8B	1.00	8.19	2.57	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31548D

Deuteranopia (green-blind)

#214B8A

Tritanopia (blue-blind)

#005C65

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b4e8b;
/* rgb */ color: rgb(43, 78, 139);
/* oklch */ color: oklch(43.0% 0.109 260.7);

Tailwind

colors: {
  custom: {
    50: '#707fad',
    500: '#2b4e8b',
    950: '#000000',
  },
}

SCSS

$custom: #2b4e8b;
$custom-light: #707fad;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4e8b",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 139
  },
  "hsl": {
    "h": 218.125,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.43044,
    "c": 0.10912,
    "h": 260.7
  },
  "luminance": 0.07826
}

Semantic roles & 50–950 ramp

primary

#2B4E8B

secondary

#B5955D

accent

#A74CDC

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2B4E8B

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

Preview Lab → · Contrast checker → · Palette generator →