#2B557F#2B557F

#2B557F is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 44.0% C 0.084 H 250.3°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#2B557F
RGB	rgb(43, 85, 127)
HSL	hsl(210, 49%, 33%)
HSV	hsv(210, 66%, 50%)
CMYK	cmyk(66.1%, 33.1%, 0%, 50.2%)
CIE-LAB	lab(35.09, -0.41, -28.02)
CIE-LCH	lch(35.09, 28.02, 269.17°)
OKLab	oklab(43.97% -0.0284 -0.0792)
OKLCH	oklch(43.97% 0.084 250.3)
XYZ	xyz(8.0741, 8.5421, 21.2978)
Luminance	0.0854 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B557F #7F552B

analogous

#2B7F7F #2B557F #2B2B7F

triadic

#2B557F #7F2B55 #557F2B

tetradic

#2B557F #7F2B7F #7F552B #2B7F2B

square

#2B557F #7F2B7F #7F552B #2B7F2B

split-complementary

#2B557F #7F2B2B #7F7F2B

monochromatic

#0C1824 #1C3651 #2B557F #3A74AD #5C92C8

Accessibility & contrast

On white

7.75

#2B557F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#2B557F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B557F

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B557F	#FFFFFF	#000000	##FFFFFF
##2B557F	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)

#435781

Deuteranopia (green-blind)

#374F7E

Tritanopia (blue-blind)

#005F64

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2b557f;
/* rgb */ color: rgb(43, 85, 127);
/* oklch */ color: oklch(44.0% 0.084 250.3);

Tailwind

colors: {
  custom: {
    50: '#6d84a4',
    500: '#2b557f',
    950: '#000000',
  },
}

SCSS

$custom: #2b557f;
$custom-light: #6d84a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b557f",
  "rgb": {
    "r": 43,
    "g": 85,
    "b": 127
  },
  "hsl": {
    "h": 210,
    "s": 49.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.43967,
    "c": 0.08412,
    "h": 250.3
  },
  "luminance": 0.08543
}

Semantic roles & 50–950 ramp

primary

#2B557F

secondary

#AE8358

accent

#944FD9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #2B557F

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

Preview Lab → · Contrast checker → · Palette generator →