#2B4D71#2B4D71

#2B4D71 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.2% C 0.073 H 251.2°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#2B4D71
RGB	rgb(43, 77, 113)
HSL	hsl(211, 45%, 31%)
HSV	hsv(211, 62%, 44%)
CMYK	cmyk(61.9%, 31.9%, 0%, 55.7%)
CIE-LAB	lab(31.84, -0.37, -24.42)
CIE-LCH	lch(31.84, 24.42, 269.13°)
OKLab	oklab(41.18% -0.0234 -0.0688)
OKLCH	oklch(41.18% 0.073 251.2)
XYZ	xyz(6.6297, 7.0130, 16.6239)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4D71 #714F2B

analogous

#2B7071 #2B4D71 #2C2B71

triadic

#2B4D71 #712B4D #4D712B

tetradic

#2B4D71 #712B70 #714F2B #2B712C

square

#2B4D71 #712B70 #714F2B #2B712C

split-complementary

#2B4D71 #712C2B #70712B

monochromatic

#091118 #1A2F45 #2B4D71 #3C6B9D #578ABF

Accessibility & contrast

On white

8.74

#2B4D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#2B4D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4D71

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4D71	#FFFFFF	#000000	##FFFFFF
##2B4D71	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4F73

Deuteranopia (green-blind)

#354870

Tritanopia (blue-blind)

#00555A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2b4d71;
/* rgb */ color: rgb(43, 77, 113);
/* oklch */ color: oklch(41.2% 0.073 251.2);

Tailwind

colors: {
  custom: {
    50: '#6b7e9a',
    500: '#2b4d71',
    950: '#000000',
  },
}

SCSS

$custom: #2b4d71;
$custom-light: #6b7e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4d71",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 113
  },
  "hsl": {
    "h": 210.857,
    "s": 44.872,
    "l": 30.588
  },
  "oklch": {
    "l": 0.41178,
    "c": 0.07269,
    "h": 251.2
  },
  "luminance": 0.07014
}

Semantic roles & 50–950 ramp

primary

#2B4D71

secondary

#A37D55

accent

#9653D5

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #2B4D71

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

Preview Lab → · Contrast checker → · Palette generator →