#2A557C#2A557C

#2A557C is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.8% C 0.081 H 248.1°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#2A557C
RGB	rgb(42, 85, 124)
HSL	hsl(209, 49%, 33%)
HSV	hsv(209, 66%, 49%)
CMYK	cmyk(66.1%, 31.5%, 0%, 51.4%)
CIE-LAB	lab(34.89, -1.70, -26.48)
CIE-LCH	lch(34.89, 26.53, 266.32°)
OKLab	oklab(43.75% -0.0301 -0.0747)
OKLCH	oklch(43.75% 0.081 248.1)
XYZ	xyz(7.8401, 8.4437, 20.2815)
Luminance	0.0844 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A557C #7C512A

analogous

#2A7C7A #2A557C #2A2C7C

triadic

#2A557C #7C2A55 #557C2A

tetradic

#2A557C #7A2A7C #7C512A #2C7C2A

square

#2A557C #7A2A7C #7C512A #2C7C2A

split-complementary

#2A557C #7C2A2C #7C7A2A

monochromatic

#0B1621 #1B364E #2A557C #3974AA #5993C7

Accessibility & contrast

On white

7.81

#2A557C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#2A557C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A557C

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A557C	#FFFFFF	#000000	##FFFFFF
##2A557C	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44567E

Deuteranopia (green-blind)

#394E7B

Tritanopia (blue-blind)

#005E63

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2a557c;
/* rgb */ color: rgb(42, 85, 124);
/* oklch */ color: oklch(43.8% 0.081 248.1);

Tailwind

colors: {
  custom: {
    50: '#6c84a2',
    500: '#2a557c',
    950: '#000000',
  },
}

SCSS

$custom: #2a557c;
$custom-light: #6c84a2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a557c",
  "rgb": {
    "r": 42,
    "g": 85,
    "b": 124
  },
  "hsl": {
    "h": 208.537,
    "s": 49.398,
    "l": 32.549
  },
  "oklch": {
    "l": 0.4375,
    "c": 0.08058,
    "h": 248.1
  },
  "luminance": 0.08444
}

Semantic roles & 50–950 ramp

primary

#2A557C

secondary

#AD7F55

accent

#914FD9

background

#F6F8FA

surface

#ECEFF3

border

#C7CACD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #2A557C

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

Preview Lab → · Contrast checker → · Palette generator →