#2B5370#2B5370

#2B5370 is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.6% C 0.066 H 242.0°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#2B5370
RGB	rgb(43, 83, 112)
HSL	hsl(205, 45%, 30%)
HSV	hsv(205, 62%, 44%)
CMYK	cmyk(61.6%, 25.9%, 0%, 56.1%)
CIE-LAB	lab(33.71, -4.55, -20.87)
CIE-LCH	lch(33.71, 21.36, 257.70°)
OKLab	oklab(42.64% -0.0311 -0.0585)
OKLCH	oklch(42.64% 0.066 242)
XYZ	xyz(7.0131, 7.8693, 16.4754)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5370 #70482B

analogous

#2B706A #2B5370 #2B3170

triadic

#2B5370 #702B53 #53702B

tetradic

#2B5370 #6A2B70 #70482B #31702B

square

#2B5370 #6A2B70 #70482B #31702B

split-complementary

#2B5370 #702B31 #706A2B

monochromatic

#091118 #1A3244 #2B5370 #3C749C #5793BE

Accessibility & contrast

On white

8.16

#2B5370 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2B5370 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B5370

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5370	#FFFFFF	#000000	##FFFFFF
##2B5370	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465371

Deuteranopia (green-blind)

#3D4C6F

Tritanopia (blue-blind)

#005A5D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b5370;
/* rgb */ color: rgb(43, 83, 112);
/* oklch */ color: oklch(42.6% 0.066 242.0);

Tailwind

colors: {
  custom: {
    50: '#6b8399',
    500: '#2b5370',
    950: '#000000',
  },
}

SCSS

$custom: #2b5370;
$custom-light: #6b8399;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5370",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 112
  },
  "hsl": {
    "h": 205.217,
    "s": 44.516,
    "l": 30.392
  },
  "oklch": {
    "l": 0.42637,
    "c": 0.06626,
    "h": 242
  },
  "luminance": 0.0787
}

Semantic roles & 50–950 ramp

primary

#2B5370

secondary

#A27555

accent

#8A54D4

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #2B5370

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

Preview Lab → · Contrast checker → · Palette generator →