#2B5B79#2B5B79

#2B5B79 is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.1% C 0.072 H 238.6°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#2B5B79
RGB	rgb(43, 91, 121)
HSL	hsl(203, 48%, 32%)
HSV	hsv(203, 64%, 47%)
CMYK	cmyk(64.5%, 24.8%, 0%, 52.5%)
CIE-LAB	lab(36.70, -6.32, -21.81)
CIE-LCH	lch(36.70, 22.71, 253.83°)
OKLab	oklab(45.14% -0.0373 -0.0612)
OKLCH	oklch(45.14% 0.072 238.6)
XYZ	xyz(8.1872, 9.3754, 19.4636)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5B79 #79492B

analogous

#2B7970 #2B5B79 #2B3479

triadic

#2B5B79 #792B5B #5B792B

tetradic

#2B5B79 #702B79 #79492B #34792B

square

#2B5B79 #702B79 #79492B #34792B

split-complementary

#2B5B79 #792B34 #79702B

monochromatic

#0B171F #1B394C #2B5B79 #3B7DA6 #5A9BC4

Accessibility & contrast

On white

7.30

#2B5B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#2B5B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B5B79

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5B79	#FFFFFF	#000000	##FFFFFF
##2B5B79	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5B7A

Deuteranopia (green-blind)

#435378

Tritanopia (blue-blind)

#006365

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2b5b79;
/* rgb */ color: rgb(43, 91, 121);
/* oklch */ color: oklch(45.1% 0.072 238.6);

Tailwind

colors: {
  custom: {
    50: '#6d899f',
    500: '#2b5b79',
    950: '#000000',
  },
}

SCSS

$custom: #2b5b79;
$custom-light: #6d899f;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5b79",
  "rgb": {
    "r": 43,
    "g": 91,
    "b": 121
  },
  "hsl": {
    "h": 203.077,
    "s": 47.561,
    "l": 32.157
  },
  "oklch": {
    "l": 0.45141,
    "c": 0.07167,
    "h": 238.6
  },
  "luminance": 0.09376
}

Semantic roles & 50–950 ramp

primary

#2B5B79

secondary

#AA7656

accent

#8451D7

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070B0E

muted

#7A7C7E

Preview Lab

Preview with #2B5B79

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

Preview Lab → · Contrast checker → · Palette generator →