#2A587B#2A587B

#2A587B is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.4% C 0.077 H 243.8°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#2A587B
RGB	rgb(42, 88, 123)
HSL	hsl(206, 49%, 32%)
HSV	hsv(206, 66%, 48%)
CMYK	cmyk(65.9%, 28.5%, 0%, 51.8%)
CIE-LAB	lab(35.79, -3.96, -24.45)
CIE-LCH	lch(35.79, 24.77, 260.81°)
OKLab	oklab(44.45% -0.0339 -0.0688)
OKLCH	oklch(44.45% 0.077 243.8)
XYZ	xyz(8.0184, 8.9010, 20.0305)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A587B #7B4D2A

analogous

#2A7B76 #2A587B #2A2F7B

triadic

#2A587B #7B2A58 #587B2A

tetradic

#2A587B #762A7B #7B4D2A #2F7B2A

square

#2A587B #762A7B #7B4D2A #2F7B2A

split-complementary

#2A587B #7B2A2F #7B762A

monochromatic

#0B1720 #1A374D #2A587B #3A79A9 #5997C6

Accessibility & contrast

On white

7.55

#2A587B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#2A587B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A587B

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A587B	#FFFFFF	#000000	##FFFFFF
##2A587B	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48597D

Deuteranopia (green-blind)

#3D517A

Tritanopia (blue-blind)

#006164

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2a587b;
/* rgb */ color: rgb(42, 88, 123);
/* oklch */ color: oklch(44.4% 0.077 243.8);

Tailwind

colors: {
  custom: {
    50: '#6c87a1',
    500: '#2a587b',
    950: '#000000',
  },
}

SCSS

$custom: #2a587b;
$custom-light: #6c87a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a587b",
  "rgb": {
    "r": 42,
    "g": 88,
    "b": 123
  },
  "hsl": {
    "h": 205.926,
    "s": 49.091,
    "l": 32.353
  },
  "oklch": {
    "l": 0.44445,
    "c": 0.07673,
    "h": 243.8
  },
  "luminance": 0.08902
}

Semantic roles & 50–950 ramp

primary

#2A587B

secondary

#AC7A55

accent

#8B4FD9

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #2A587B

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

Preview Lab → · Contrast checker → · Palette generator →