#2B4C71#2B4C71

#2B4C71 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.9% C 0.074 H 252.5°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#2B4C71
RGB	rgb(43, 76, 113)
HSL	hsl(212, 45%, 31%)
HSV	hsv(212, 62%, 44%)
CMYK	cmyk(61.9%, 32.7%, 0%, 55.7%)
CIE-LAB	lab(31.52, 0.28, -24.92)
CIE-LCH	lch(31.52, 24.92, 270.64°)
OKLab	oklab(40.93% -0.0222 -0.0703)
OKLCH	oklch(40.93% 0.074 252.5)
XYZ	xyz(6.5603, 6.8741, 16.6007)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4C71 #71502B

analogous

#2B6F71 #2B4C71 #2D2B71

triadic

#2B4C71 #712B4C #4C712B

tetradic

#2B4C71 #712B6F #71502B #2B712D

square

#2B4C71 #712B6F #71502B #2B712D

split-complementary

#2B4C71 #712D2B #6F712B

monochromatic

#091018 #1A2E45 #2B4C71 #3C6A9D #5788BF

Accessibility & contrast

On white

8.84

#2B4C71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2B4C71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4C71

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4C71	#FFFFFF	#000000	##FFFFFF
##2B4C71	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4E73

Deuteranopia (green-blind)

#334770

Tritanopia (blue-blind)

#005559

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b4c71;
/* rgb */ color: rgb(43, 76, 113);
/* oklch */ color: oklch(40.9% 0.074 252.5);

Tailwind

colors: {
  custom: {
    50: '#6b7d9a',
    500: '#2b4c71',
    950: '#000000',
  },
}

SCSS

$custom: #2b4c71;
$custom-light: #6b7d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4c71",
  "rgb": {
    "r": 43,
    "g": 76,
    "b": 113
  },
  "hsl": {
    "h": 211.714,
    "s": 44.872,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40928,
    "c": 0.07368,
    "h": 252.5
  },
  "luminance": 0.06875
}

Semantic roles & 50–950 ramp

primary

#2B4C71

secondary

#A37E55

accent

#9853D5

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #2B4C71

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

Preview Lab → · Contrast checker → · Palette generator →