#2B4C8F#2B4C8F

#2B4C8F is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.9% C 0.117 H 262.7°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#2B4C8F
RGB	rgb(43, 76, 143)
HSL	hsl(220, 54%, 36%)
HSV	hsv(220, 70%, 56%)
CMYK	cmyk(69.9%, 46.9%, 0%, 43.9%)
CIE-LAB	lab(33.27, 11.53, -40.71)
CIE-LCH	lch(33.27, 42.31, 285.81°)
OKLab	oklab(42.86% -0.0148 -0.1165)
OKLCH	oklch(42.86% 0.117 262.7)
XYZ	xyz(8.5369, 7.6648, 27.0108)
Luminance	0.0767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4C8F #8F6E2B

analogous

#2B7E8F #2B4C8F #3C2B8F

triadic

#2B4C8F #8F2B4C #4C8F2B

tetradic

#2B4C8F #8F2B7E #8F6E2B #2B8F3C

square

#2B4C8F #8F2B7E #8F6E2B #2B8F3C

split-complementary

#2B4C8F #8F3C2B #7E8F2B

monochromatic

#0F1A31 #1D3360 #2B4C8F #3965BE #6488D0

Accessibility & contrast

On white

8.29

#2B4C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2B4C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4C8F

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4C8F	#FFFFFF	#000000	##FFFFFF
##2B4C8F	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5392

Deuteranopia (green-blind)

#174A8E

Tritanopia (blue-blind)

#005C66

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b4c8f;
/* rgb */ color: rgb(43, 76, 143);
/* oklch */ color: oklch(42.9% 0.117 262.7);

Tailwind

colors: {
  custom: {
    50: '#717db0',
    500: '#2b4c8f',
    950: '#000000',
  },
}

SCSS

$custom: #2b4c8f;
$custom-light: #717db0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4c8f",
  "rgb": {
    "r": 43,
    "g": 76,
    "b": 143
  },
  "hsl": {
    "h": 220.2,
    "s": 53.763,
    "l": 36.471
  },
  "oklch": {
    "l": 0.42862,
    "c": 0.11745,
    "h": 262.7
  },
  "luminance": 0.07666
}

Semantic roles & 50–950 ramp

primary

#2B4C8F

secondary

#B79A5F

accent

#AD4BDD

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4C8F

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

Preview Lab → · Contrast checker → · Palette generator →