#2B4E8C#2B4E8C

#2B4E8C is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.1% C 0.111 H 260.9°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#2B4E8C
RGB	rgb(43, 78, 140)
HSL	hsl(218, 53%, 36%)
HSV	hsv(218, 69%, 55%)
CMYK	cmyk(69.3%, 44.3%, 0%, 45.1%)
CIE-LAB	lab(33.68, 9.05, -38.23)
CIE-LCH	lch(33.68, 39.29, 283.31°)
OKLab	oklab(43.11% -0.0174 -0.1092)
OKLCH	oklch(43.11% 0.111 260.9)
XYZ	xyz(8.4526, 7.8550, 25.8766)
Luminance	0.0786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4E8C #8C692B

analogous

#2B7E8C #2B4E8C #392B8C

triadic

#2B4E8C #8C2B4E #4E8C2B

tetradic

#2B4E8C #8C2B7E #8C692B #2B8C39

square

#2B4E8C #8C2B7E #8C692B #2B8C39

split-complementary

#2B4E8C #8C392B #7E8C2B

monochromatic

#0E1A2E #1D345D #2B4E8C #3968BB #628ACF

Accessibility & contrast

On white

8.17

#2B4E8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2B4E8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4E8C

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4E8C	#FFFFFF	#000000	##FFFFFF
##2B4E8C	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31548E

Deuteranopia (green-blind)

#204B8B

Tritanopia (blue-blind)

#005C66

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b4e8c;
/* rgb */ color: rgb(43, 78, 140);
/* oklch */ color: oklch(43.1% 0.111 260.9);

Tailwind

colors: {
  custom: {
    50: '#707fae',
    500: '#2b4e8c',
    950: '#000000',
  },
}

SCSS

$custom: #2b4e8c;
$custom-light: #707fae;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4e8c",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 140
  },
  "hsl": {
    "h": 218.351,
    "s": 53.005,
    "l": 35.882
  },
  "oklch": {
    "l": 0.43112,
    "c": 0.11056,
    "h": 260.9
  },
  "luminance": 0.07856
}

Semantic roles & 50–950 ramp

primary

#2B4E8C

secondary

#B5965E

accent

#A84BDC

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2B4E8C

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

Preview Lab → · Contrast checker → · Palette generator →