#2A558B#2A558B

#2A558B is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.6% C 0.101 H 255.3°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#2A558B
RGB	rgb(42, 85, 139)
HSL	hsl(213, 54%, 35%)
HSV	hsv(213, 70%, 55%)
CMYK	cmyk(69.8%, 38.8%, 0%, 45.5%)
CIE-LAB	lab(35.70, 3.89, -34.41)
CIE-LCH	lch(35.70, 34.62, 276.44°)
OKLab	oklab(44.65% -0.0257 -0.0979)
OKLCH	oklch(44.65% 0.101 255.3)
XYZ	xyz(8.8618, 8.8524, 25.6627)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A558B #8B602A

analogous

#2A858B #2A558B #2F2A8B

triadic

#2A558B #8B2A55 #558B2A

tetradic

#2A558B #8B2A85 #8B602A #2A8B2F

square

#2A558B #8B2A85 #8B602A #2A8B2F

split-complementary

#2A558B #8B2F2A #858B2A

monochromatic

#0E1C2D #1C385C #2A558B #3872BA #6091CF

Accessibility & contrast

On white

7.58

#2A558B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#2A558B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A558B

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A558B	#FFFFFF	#000000	##FFFFFF
##2A558B	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D598D

Deuteranopia (green-blind)

#2E508A

Tritanopia (blue-blind)

#006269

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2a558b;
/* rgb */ color: rgb(42, 85, 139);
/* oklch */ color: oklch(44.6% 0.101 255.3);

Tailwind

colors: {
  custom: {
    50: '#6f84ad',
    500: '#2a558b',
    950: '#000000',
  },
}

SCSS

$custom: #2a558b;
$custom-light: #6f84ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2a558b",
  "rgb": {
    "r": 42,
    "g": 85,
    "b": 139
  },
  "hsl": {
    "h": 213.402,
    "s": 53.591,
    "l": 35.49
  },
  "oklch": {
    "l": 0.44647,
    "c": 0.1012,
    "h": 255.3
  },
  "luminance": 0.08853
}

Semantic roles & 50–950 ramp

primary

#2A558B

secondary

#B58D5C

accent

#9C4BDD

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2A558B

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

Preview Lab → · Contrast checker → · Palette generator →