#2F557C#2F557C

#2F557C is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.0% C 0.078 H 250.6°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#2F557C
RGB	rgb(47, 85, 124)
HSL	hsl(210, 45%, 34%)
HSV	hsv(210, 62%, 49%)
CMYK	cmyk(62.1%, 31.5%, 0%, 51.4%)
CIE-LAB	lab(35.11, -0.67, -26.11)
CIE-LCH	lch(35.11, 26.12, 268.52°)
OKLab	oklab(43.99% -0.0259 -0.0736)
OKLCH	oklch(43.99% 0.078 250.6)
XYZ	xyz(8.0576, 8.5558, 20.2917)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F557C #7C562F

analogous

#2F7B7C #2F557C #302F7C

triadic

#2F557C #7C2F55 #557C2F

tetradic

#2F557C #7C2F7B #7C562F #2F7C30

square

#2F557C #7C2F7B #7C562F #2F7C30

split-complementary

#2F557C #7C302F #7B7C2F

monochromatic

#0D1823 #1E3750 #2F557C #4073A8 #6292C3

Accessibility & contrast

On white

7.75

#2F557C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#2F557C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F557C

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F557C	#FFFFFF	#000000	##FFFFFF
##2F557C	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45577E

Deuteranopia (green-blind)

#3A4F7B

Tritanopia (blue-blind)

#005E63

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2f557c;
/* rgb */ color: rgb(47, 85, 124);
/* oklch */ color: oklch(44.0% 0.078 250.6);

Tailwind

colors: {
  custom: {
    50: '#6f84a2',
    500: '#2f557c',
    950: '#000000',
  },
}

SCSS

$custom: #2f557c;
$custom-light: #6f84a2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f557c",
  "rgb": {
    "r": 47,
    "g": 85,
    "b": 124
  },
  "hsl": {
    "h": 210.39,
    "s": 45.029,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43988,
    "c": 0.07804,
    "h": 250.6
  },
  "luminance": 0.08557
}

Semantic roles & 50–950 ramp

primary

#2F557C

secondary

#AA845C

accent

#9553D5

background

#F6F8FA

surface

#ECEFF3

border

#C7CACD

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #2F557C

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

Preview Lab → · Contrast checker → · Palette generator →