#2B557E#2B557E

#2B557E is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.9% C 0.083 H 249.7°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#2B557E
RGB	rgb(43, 85, 126)
HSL	hsl(210, 49%, 33%)
HSV	hsv(210, 66%, 49%)
CMYK	cmyk(65.9%, 32.5%, 0%, 50.6%)
CIE-LAB	lab(35.04, -0.77, -27.48)
CIE-LCH	lch(35.04, 27.49, 268.39°)
OKLab	oklab(43.91% -0.0287 -0.0776)
OKLCH	oklch(43.91% 0.083 249.7)
XYZ	xyz(8.0093, 8.5162, 20.9563)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B557E #7E542B

analogous

#2B7E7D #2B557E #2B2B7E

triadic

#2B557E #7E2B55 #557E2B

tetradic

#2B557E #7D2B7E #7E542B #2B7E2B

square

#2B557E #7D2B7E #7E542B #2B7E2B

split-complementary

#2B557E #7E2B2B #7E7D2B

monochromatic

#0C1723 #1B3650 #2B557E #3B74AC #5C92C7

Accessibility & contrast

On white

7.77

#2B557E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2B557E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B557E

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B557E	#FFFFFF	#000000	##FFFFFF
##2B557E	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)

#435780

Deuteranopia (green-blind)

#384F7D

Tritanopia (blue-blind)

#005F64

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2b557e;
/* rgb */ color: rgb(43, 85, 126);
/* oklch */ color: oklch(43.9% 0.083 249.7);

Tailwind

colors: {
  custom: {
    50: '#6d84a3',
    500: '#2b557e',
    950: '#000000',
  },
}

SCSS

$custom: #2b557e;
$custom-light: #6d84a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b557e",
  "rgb": {
    "r": 43,
    "g": 85,
    "b": 126
  },
  "hsl": {
    "h": 209.639,
    "s": 49.112,
    "l": 33.137
  },
  "oklch": {
    "l": 0.43909,
    "c": 0.08277,
    "h": 249.7
  },
  "luminance": 0.08517
}

Semantic roles & 50–950 ramp

primary

#2B557E

secondary

#AD8258

accent

#934FD9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #2B557E

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

Preview Lab → · Contrast checker → · Palette generator →