#2A577C#2A577C

#2A577C is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.2% C 0.079 H 245.7°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#2A577C
RGB	rgb(42, 87, 124)
HSL	hsl(207, 49%, 33%)
HSV	hsv(207, 66%, 49%)
CMYK	cmyk(66.1%, 29.8%, 0%, 51.4%)
CIE-LAB	lab(35.52, -2.97, -25.49)
CIE-LCH	lch(35.52, 25.66, 263.36°)
OKLab	oklab(44.25% -0.0324 -0.0718)
OKLCH	oklch(44.25% 0.079 245.7)
XYZ	xyz(7.9998, 8.7631, 20.3347)
Luminance	0.0876 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A577C #7C4F2A

analogous

#2A7C78 #2A577C #2A2E7C

triadic

#2A577C #7C2A57 #577C2A

tetradic

#2A577C #782A7C #7C4F2A #2E7C2A

square

#2A577C #782A7C #7C4F2A #2E7C2A

split-complementary

#2A577C #7C2A2E #7C782A

monochromatic

#0B1721 #1B374E #2A577C #3977AA #5996C7

Accessibility & contrast

On white

7.63

#2A577C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#2A577C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A577C

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A577C	#FFFFFF	#000000	##FFFFFF
##2A577C	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47587E

Deuteranopia (green-blind)

#3C507B

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2a577c;
/* rgb */ color: rgb(42, 87, 124);
/* oklch */ color: oklch(44.2% 0.079 245.7);

Tailwind

colors: {
  custom: {
    50: '#6c86a2',
    500: '#2a577c',
    950: '#000000',
  },
}

SCSS

$custom: #2a577c;
$custom-light: #6c86a2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a577c",
  "rgb": {
    "r": 42,
    "g": 87,
    "b": 124
  },
  "hsl": {
    "h": 207.073,
    "s": 49.398,
    "l": 32.549
  },
  "oklch": {
    "l": 0.44249,
    "c": 0.07881,
    "h": 245.7
  },
  "luminance": 0.08764
}

Semantic roles & 50–950 ramp

primary

#2A577C

secondary

#AD7D55

accent

#8D4FD9

background

#F6F8FA

surface

#ECEFF3

border

#C7CACD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #2A577C

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

Preview Lab → · Contrast checker → · Palette generator →