#2B4F74#2B4F74

#2B4F74 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.8% C 0.075 H 250.6°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#2B4F74
RGB	rgb(43, 79, 116)
HSL	hsl(210, 46%, 31%)
HSV	hsv(210, 63%, 45%)
CMYK	cmyk(62.9%, 31.9%, 0%, 54.5%)
CIE-LAB	lab(32.63, -0.58, -25.06)
CIE-LCH	lch(32.63, 25.07, 268.68°)
OKLab	oklab(41.85% -0.0248 -0.0707)
OKLCH	oklch(41.85% 0.075 250.6)
XYZ	xyz(6.9435, 7.3659, 17.5755)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4F74 #74502B

analogous

#2B7374 #2B4F74 #2B2B74

triadic

#2B4F74 #742B4F #4F742B

tetradic

#2B4F74 #742B73 #74502B #2B742B

square

#2B4F74 #742B73 #74502B #2B742B

split-complementary

#2B4F74 #742B2B #73742B

monochromatic

#0A121B #1A3147 #2B4F74 #3C6DA1 #588CC1

Accessibility & contrast

On white

8.49

#2B4F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2B4F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4F74

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4F74	#FFFFFF	#000000	##FFFFFF
##2B4F74	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5176

Deuteranopia (green-blind)

#364A73

Tritanopia (blue-blind)

#00585C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b4f74;
/* rgb */ color: rgb(43, 79, 116);
/* oklch */ color: oklch(41.8% 0.075 250.6);

Tailwind

colors: {
  custom: {
    50: '#6b809c',
    500: '#2b4f74',
    950: '#000000',
  },
}

SCSS

$custom: #2b4f74;
$custom-light: #6b809c;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4f74",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 116
  },
  "hsl": {
    "h": 210.411,
    "s": 45.912,
    "l": 31.176
  },
  "oklch": {
    "l": 0.41848,
    "c": 0.0749,
    "h": 250.6
  },
  "luminance": 0.07367
}

Semantic roles & 50–950 ramp

primary

#2B4F74

secondary

#A67E55

accent

#9552D6

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #2B4F74

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

Preview Lab → · Contrast checker → · Palette generator →