#2B587B#2B587B

#2B587B is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.5% C 0.076 H 244.2°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#2B587B
RGB	rgb(43, 88, 123)
HSL	hsl(206, 48%, 33%)
HSV	hsv(206, 65%, 48%)
CMYK	cmyk(65%, 28.5%, 0%, 51.8%)
CIE-LAB	lab(35.83, -3.76, -24.38)
CIE-LCH	lch(35.83, 24.67, 261.24°)
OKLab	oklab(44.49% -0.0331 -0.0686)
OKLCH	oklch(44.49% 0.076 244.2)
XYZ	xyz(8.0598, 8.9223, 20.0325)
Luminance	0.0892 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B587B #7B4E2B

analogous

#2B7B76 #2B587B #2B307B

triadic

#2B587B #7B2B58 #587B2B

tetradic

#2B587B #762B7B #7B4E2B #307B2B

square

#2B587B #762B7B #7B4E2B #307B2B

split-complementary

#2B587B #7B2B30 #7B762B

monochromatic

#0B1720 #1B384E #2B587B #3B78A8 #5B97C6

Accessibility & contrast

On white

7.54

#2B587B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#2B587B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B587B

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B587B	#FFFFFF	#000000	##FFFFFF
##2B587B	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49597D

Deuteranopia (green-blind)

#3E517A

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b587b;
/* rgb */ color: rgb(43, 88, 123);
/* oklch */ color: oklch(44.5% 0.076 244.2);

Tailwind

colors: {
  custom: {
    50: '#6d87a1',
    500: '#2b587b',
    950: '#000000',
  },
}

SCSS

$custom: #2b587b;
$custom-light: #6d87a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b587b",
  "rgb": {
    "r": 43,
    "g": 88,
    "b": 123
  },
  "hsl": {
    "h": 206.25,
    "s": 48.193,
    "l": 32.549
  },
  "oklch": {
    "l": 0.44489,
    "c": 0.0762,
    "h": 244.2
  },
  "luminance": 0.08923
}

Semantic roles & 50–950 ramp

primary

#2B587B

secondary

#AB7C56

accent

#8B50D8

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #2B587B

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

Preview Lab → · Contrast checker → · Palette generator →