#2D557B#2D557B

#2D557B is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.8% C 0.078 H 248.9°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#2D557B
RGB	rgb(45, 85, 123)
HSL	hsl(209, 46%, 33%)
HSV	hsv(209, 63%, 48%)
CMYK	cmyk(63.4%, 30.9%, 0%, 51.8%)
CIE-LAB	lab(34.97, -1.46, -25.72)
CIE-LCH	lch(34.97, 25.77, 266.76°)
OKLab	oklab(43.83% -0.028 -0.0725)
OKLCH	oklch(43.83% 0.078 248.9)
XYZ	xyz(7.9045, 8.4842, 19.9561)
Luminance	0.0848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D557B #7B532D

analogous

#2D7B7A #2D557B #2D2E7B

triadic

#2D557B #7B2D55 #557B2D

tetradic

#2D557B #7A2D7B #7B532D #2E7B2D

square

#2D557B #7A2D7B #7B532D #2E7B2D

split-complementary

#2D557B #7B2D2E #7B7A2D

monochromatic

#0C1721 #1D364E #2D557B #3D74A8 #5E93C4

Accessibility & contrast

On white

7.79

#2D557B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2D557B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D557B

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D557B	#FFFFFF	#000000	##FFFFFF
##2D557B	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45567D

Deuteranopia (green-blind)

#3A4F7A

Tritanopia (blue-blind)

#005E62

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2d557b;
/* rgb */ color: rgb(45, 85, 123);
/* oklch */ color: oklch(43.8% 0.078 248.9);

Tailwind

colors: {
  custom: {
    50: '#6e84a1',
    500: '#2d557b',
    950: '#000000',
  },
}

SCSS

$custom: #2d557b;
$custom-light: #6e84a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d557b",
  "rgb": {
    "r": 45,
    "g": 85,
    "b": 123
  },
  "hsl": {
    "h": 209.231,
    "s": 46.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.43834,
    "c": 0.07772,
    "h": 248.9
  },
  "luminance": 0.08485
}

Semantic roles & 50–950 ramp

primary

#2D557B

secondary

#AB8159

accent

#9252D6

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#080A0F

muted

#7B7C7E

Preview Lab

Preview with #2D557B

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

Preview Lab → · Contrast checker → · Palette generator →