#2A557D#2A557D

#2A557D is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.8% C 0.082 H 248.7°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#2A557D
RGB	rgb(42, 85, 125)
HSL	hsl(209, 50%, 33%)
HSV	hsv(209, 66%, 49%)
CMYK	cmyk(66.4%, 32%, 0%, 51%)
CIE-LAB	lab(34.94, -1.34, -27.02)
CIE-LCH	lch(34.94, 27.05, 267.17°)
OKLab	oklab(43.81% -0.0298 -0.0763)
OKLCH	oklch(43.81% 0.082 248.7)
XYZ	xyz(7.9036, 8.4691, 20.6162)
Luminance	0.0847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A557D #7D522A

analogous

#2A7D7C #2A557D #2A2B7D

triadic

#2A557D #7D2A55 #557D2A

tetradic

#2A557D #7C2A7D #7D522A #2B7D2A

square

#2A557D #7C2A7D #7D522A #2B7D2A

split-complementary

#2A557D #7D2A2B #7D7C2A

monochromatic

#0B1721 #1B364F #2A557D #3974AB #5A93C8

Accessibility & contrast

On white

7.80

#2A557D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#2A557D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A557D

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A557D	#FFFFFF	#000000	##FFFFFF
##2A557D	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44577F

Deuteranopia (green-blind)

#384F7C

Tritanopia (blue-blind)

#005E63

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2a557d;
/* rgb */ color: rgb(42, 85, 125);
/* oklch */ color: oklch(43.8% 0.082 248.7);

Tailwind

colors: {
  custom: {
    50: '#6d84a3',
    500: '#2a557d',
    950: '#000000',
  },
}

SCSS

$custom: #2a557d;
$custom-light: #6d84a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a557d",
  "rgb": {
    "r": 42,
    "g": 85,
    "b": 125
  },
  "hsl": {
    "h": 208.916,
    "s": 49.701,
    "l": 32.745
  },
  "oklch": {
    "l": 0.43807,
    "c": 0.08191,
    "h": 248.7
  },
  "luminance": 0.0847
}

Semantic roles & 50–950 ramp

primary

#2A557D

secondary

#AD8056

accent

#914FD9

background

#F6F8FA

surface

#ECEFF3

border

#C7CACD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #2A557D

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

Preview Lab → · Contrast checker → · Palette generator →