#2A557F#2A557F

#2A557F is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.9% C 0.085 H 249.8°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#2A557F
RGB	rgb(42, 85, 127)
HSL	hsl(210, 50%, 33%)
HSV	hsv(210, 67%, 50%)
CMYK	cmyk(66.9%, 33.1%, 0%, 50.2%)
CIE-LAB	lab(35.04, -0.60, -28.09)
CIE-LCH	lch(35.04, 28.09, 268.78°)
OKLab	oklab(43.92% -0.0292 -0.0794)
OKLCH	oklch(43.92% 0.085 249.8)
XYZ	xyz(8.0327, 8.5207, 21.2959)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A557F #7F542A

analogous

#2A7F7E #2A557F #2A2A7F

triadic

#2A557F #7F2A55 #557F2A

tetradic

#2A557F #7E2A7F #7F542A #2A7F2A

square

#2A557F #7E2A7F #7F542A #2A7F2A

split-complementary

#2A557F #7F2A2A #7F7E2A

monochromatic

#0C1723 #1B3651 #2A557F #3974AD #5B92C9

Accessibility & contrast

On white

7.77

#2A557F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2A557F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A557F

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A557F	#FFFFFF	#000000	##FFFFFF
##2A557F	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435781

Deuteranopia (green-blind)

#374F7E

Tritanopia (blue-blind)

#005F64

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2a557f;
/* rgb */ color: rgb(42, 85, 127);
/* oklch */ color: oklch(43.9% 0.085 249.8);

Tailwind

colors: {
  custom: {
    50: '#6d84a4',
    500: '#2a557f',
    950: '#000000',
  },
}

SCSS

$custom: #2a557f;
$custom-light: #6d84a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a557f",
  "rgb": {
    "r": 42,
    "g": 85,
    "b": 127
  },
  "hsl": {
    "h": 209.647,
    "s": 50.296,
    "l": 33.137
  },
  "oklch": {
    "l": 0.43922,
    "c": 0.0846,
    "h": 249.8
  },
  "luminance": 0.08522
}

Semantic roles & 50–950 ramp

primary

#2A557F

secondary

#AE8257

accent

#934EDA

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #2A557F

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

Preview Lab → · Contrast checker → · Palette generator →