#2B517C#2B517C

#2B517C is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.8% C 0.084 H 252.9°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#2B517C
RGB	rgb(43, 81, 124)
HSL	hsl(212, 49%, 33%)
HSV	hsv(212, 65%, 49%)
CMYK	cmyk(65.3%, 34.7%, 0%, 51.4%)
CIE-LAB	lab(33.67, 1.06, -28.39)
CIE-LCH	lch(33.67, 28.41, 272.14°)
OKLab	oklab(42.81% -0.0247 -0.0803)
OKLCH	oklch(42.81% 0.084 252.9)
XYZ	xyz(7.5755, 7.8530, 20.1814)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B517C #7C562B

analogous

#2B797C #2B517C #2E2B7C

triadic

#2B517C #7C2B51 #517C2B

tetradic

#2B517C #7C2B79 #7C562B #2B7C2E

square

#2B517C #7C2B79 #7C562B #2B7C2E

split-complementary

#2B517C #7C2E2B #797C2B

monochromatic

#0B1621 #1B334F #2B517C #3B6FA9 #5B8DC6

Accessibility & contrast

On white

8.17

#2B517C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2B517C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B517C

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B517C	#FFFFFF	#000000	##FFFFFF
##2B517C	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F537E

Deuteranopia (green-blind)

#344C7B

Tritanopia (blue-blind)

#005B61

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b517c;
/* rgb */ color: rgb(43, 81, 124);
/* oklch */ color: oklch(42.8% 0.084 252.9);

Tailwind

colors: {
  custom: {
    50: '#6d81a2',
    500: '#2b517c',
    950: '#000000',
  },
}

SCSS

$custom: #2b517c;
$custom-light: #6d81a2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b517c",
  "rgb": {
    "r": 43,
    "g": 81,
    "b": 124
  },
  "hsl": {
    "h": 211.852,
    "s": 48.503,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42808,
    "c": 0.08403,
    "h": 252.9
  },
  "luminance": 0.07854
}

Semantic roles & 50–950 ramp

primary

#2B517C

secondary

#AC8457

accent

#9850D8

background

#F6F7FA

surface

#ECEEF3

border

#C7C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #2B517C

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

Preview Lab → · Contrast checker → · Palette generator →