#2A557E#2A557E

#2A557E is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.9% C 0.083 H 249.3°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#2A557E
RGB	rgb(42, 85, 126)
HSL	hsl(209, 50%, 33%)
HSV	hsv(209, 67%, 49%)
CMYK	cmyk(66.7%, 32.5%, 0%, 50.6%)
CIE-LAB	lab(34.99, -0.97, -27.55)
CIE-LCH	lch(34.99, 27.57, 267.99°)
OKLab	oklab(43.86% -0.0295 -0.0779)
OKLCH	oklch(43.86% 0.083 249.3)
XYZ	xyz(7.9678, 8.4948, 20.9544)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A557E #7E532A

analogous

#2A7E7D #2A557E #2A2B7E

triadic

#2A557E #7E2A55 #557E2A

tetradic

#2A557E #7D2A7E #7E532A #2B7E2A

square

#2A557E #7D2A7E #7E532A #2B7E2A

split-complementary

#2A557E #7E2A2B #7E7D2A

monochromatic

#0B1722 #1B3650 #2A557E #3974AC #5A93C8

Accessibility & contrast

On white

7.78

#2A557E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2A557E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A557E

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A557E	#FFFFFF	#000000	##FFFFFF
##2A557E	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435780

Deuteranopia (green-blind)

#384F7D

Tritanopia (blue-blind)

#005F64

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2a557e;
/* rgb */ color: rgb(42, 85, 126);
/* oklch */ color: oklch(43.9% 0.083 249.3);

Tailwind

colors: {
  custom: {
    50: '#6d84a3',
    500: '#2a557e',
    950: '#000000',
  },
}

SCSS

$custom: #2a557e;
$custom-light: #6d84a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a557e",
  "rgb": {
    "r": 42,
    "g": 85,
    "b": 126
  },
  "hsl": {
    "h": 209.286,
    "s": 50,
    "l": 32.941
  },
  "oklch": {
    "l": 0.43864,
    "c": 0.08325,
    "h": 249.3
  },
  "luminance": 0.08496
}

Semantic roles & 50–950 ramp

primary

#2A557E

secondary

#AE8156

accent

#924EDA

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #2A557E

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

Preview Lab → · Contrast checker → · Palette generator →