#2A55A3#2A55A3

#2A55A3 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.3% C 0.135 H 261.2°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#2A55A3
RGB	rgb(42, 85, 163)
HSL	hsl(219, 59%, 40%)
HSV	hsv(219, 74%, 64%)
CMYK	cmyk(74.2%, 47.9%, 0%, 36.1%)
CIE-LAB	lab(37.17, 13.06, -46.53)
CIE-LCH	lch(37.17, 48.33, 285.68°)
OKLab	oklab(46.27% -0.0207 -0.1335)
OKLCH	oklch(46.27% 0.135 261.2)
XYZ	xyz(10.8118, 9.6324, 35.9327)
Luminance	0.0963 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A55A3 #A3782A

analogous

#2A91A3 #2A55A3 #3C2AA3

triadic

#2A55A3 #A32A55 #55A32A

tetradic

#2A55A3 #A32A91 #A3782A #2AA33C

square

#2A55A3 #A32A91 #A3782A #2AA33C

split-complementary

#2A55A3 #A33C2A #91A32A

monochromatic

#112242 #1D3C72 #2A55A3 #3D70CD #6E94DA

Accessibility & contrast

On white

7.18

#2A55A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#2A55A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A55A3

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A55A3	#FFFFFF	#000000	##FFFFFF
##2A55A3	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5DA6

Deuteranopia (green-blind)

#0B52A1

Tritanopia (blue-blind)

#006774

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2a55a3;
/* rgb */ color: rgb(42, 85, 163);
/* oklch */ color: oklch(46.3% 0.135 261.2);

Tailwind

colors: {
  custom: {
    50: '#7484bf',
    500: '#2a55a3',
    950: '#000000',
  },
}

SCSS

$custom: #2a55a3;
$custom-light: #7484bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a55a3",
  "rgb": {
    "r": 42,
    "g": 85,
    "b": 163
  },
  "hsl": {
    "h": 218.678,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.46266,
    "c": 0.13508,
    "h": 261.2
  },
  "luminance": 0.09634
}

Semantic roles & 50–950 ramp

primary

#2A55A3

secondary

#C0A168

accent

#AB46E2

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2A55A3

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

Preview Lab → · Contrast checker → · Palette generator →