#2F557A#2F557A

#2F557A is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.9% C 0.075 H 249.3°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#2F557A
RGB	rgb(47, 85, 122)
HSL	hsl(210, 44%, 33%)
HSV	hsv(210, 61%, 48%)
CMYK	cmyk(61.5%, 30.3%, 0%, 52.2%)
CIE-LAB	lab(35.01, -1.39, -25.03)
CIE-LCH	lch(35.01, 25.07, 266.83°)
OKLab	oklab(43.88% -0.0266 -0.0705)
OKLCH	oklch(43.88% 0.075 249.3)
XYZ	xyz(7.9324, 8.5058, 19.6323)
Luminance	0.0851 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F557A #7A542F

analogous

#2F7A79 #2F557A #2F2F7A

triadic

#2F557A #7A2F55 #557A2F

tetradic

#2F557A #792F7A #7A542F #2F7A2F

square

#2F557A #792F7A #7A542F #2F7A2F

split-complementary

#2F557A #7A2F2F #7A792F

monochromatic

#0D1722 #1E364E #2F557A #4074A6 #6192C2

Accessibility & contrast

On white

7.77

#2F557A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2F557A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F557A

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F557A	#FFFFFF	#000000	##FFFFFF
##2F557A	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)

#45567C

Deuteranopia (green-blind)

#3B4F79

Tritanopia (blue-blind)

#005E62

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2f557a;
/* rgb */ color: rgb(47, 85, 122);
/* oklch */ color: oklch(43.9% 0.075 249.3);

Tailwind

colors: {
  custom: {
    50: '#6e84a0',
    500: '#2f557a',
    950: '#000000',
  },
}

SCSS

$custom: #2f557a;
$custom-light: #6e84a0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f557a",
  "rgb": {
    "r": 47,
    "g": 85,
    "b": 122
  },
  "hsl": {
    "h": 209.6,
    "s": 44.379,
    "l": 33.137
  },
  "oklch": {
    "l": 0.43877,
    "c": 0.07532,
    "h": 249.3
  },
  "luminance": 0.08506
}

Semantic roles & 50–950 ramp

primary

#2F557A

secondary

#A9825C

accent

#9354D4

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#080A0E

muted

#7B7C7E

Preview Lab

Preview with #2F557A

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

Preview Lab → · Contrast checker → · Palette generator →