#2B4E71#2B4E71

#2B4E71 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.4% C 0.072 H 249.9°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#2B4E71
RGB	rgb(43, 78, 113)
HSL	hsl(210, 45%, 31%)
HSV	hsv(210, 62%, 44%)
CMYK	cmyk(61.9%, 31%, 0%, 55.7%)
CIE-LAB	lab(32.16, -1.02, -23.92)
CIE-LCH	lch(32.16, 23.94, 267.57°)
OKLab	oklab(41.43% -0.0246 -0.0674)
OKLCH	oklch(41.43% 0.072 249.9)
XYZ	xyz(6.7002, 7.1540, 16.6474)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4E71 #714E2B

analogous

#2B7171 #2B4E71 #2B2B71

triadic

#2B4E71 #712B4E #4E712B

tetradic

#2B4E71 #712B71 #714E2B #2B712B

square

#2B4E71 #712B71 #714E2B #2B712B

split-complementary

#2B4E71 #712B2B #71712B

monochromatic

#091118 #1A2F45 #2B4E71 #3C6D9D #578BBF

Accessibility & contrast

On white

8.64

#2B4E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2B4E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4E71

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4E71	#FFFFFF	#000000	##FFFFFF
##2B4E71	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4F73

Deuteranopia (green-blind)

#364970

Tritanopia (blue-blind)

#00565A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b4e71;
/* rgb */ color: rgb(43, 78, 113);
/* oklch */ color: oklch(41.4% 0.072 249.9);

Tailwind

colors: {
  custom: {
    50: '#6b7f9a',
    500: '#2b4e71',
    950: '#000000',
  },
}

SCSS

$custom: #2b4e71;
$custom-light: #6b7f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4e71",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 113
  },
  "hsl": {
    "h": 210,
    "s": 44.872,
    "l": 30.588
  },
  "oklch": {
    "l": 0.41428,
    "c": 0.07171,
    "h": 249.9
  },
  "luminance": 0.07155
}

Semantic roles & 50–950 ramp

primary

#2B4E71

secondary

#A37C55

accent

#9453D5

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #2B4E71

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

Preview Lab → · Contrast checker → · Palette generator →