#2A5CB5#2A5CB5

#2A5CB5 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.1% C 0.151 H 260.9°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#2A5CB5
RGB	rgb(42, 92, 181)
HSL	hsl(218, 62%, 44%)
HSV	hsv(218, 77%, 71%)
CMYK	cmyk(76.8%, 49.2%, 0%, 29%)
CIE-LAB	lab(40.38, 15.39, -52.02)
CIE-LCH	lch(40.38, 54.25, 286.48°)
OKLab	oklab(49.11% -0.0239 -0.1495)
OKLCH	oklch(49.11% 0.151 260.9)
XYZ	xyz(13.1195, 11.4812, 45.2318)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5CB5 #B5832A

analogous

#2AA1B5 #2A5CB5 #3D2AB5

triadic

#2A5CB5 #B52A5C #5CB52A

tetradic

#2A5CB5 #B52AA1 #B5832A #2AB53D

square

#2A5CB5 #B52AA1 #B5832A #2AB53D

split-complementary

#2A5CB5 #B53D2A #A1B52A

monochromatic

#132A52 #1E4383 #2A5CB5 #487AD4 #799EE0

Accessibility & contrast

On white

6.37

#2A5CB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#2A5CB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5CB5

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5CB5	#FFFFFF	#000000	##FFFFFF
##2A5CB5	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2866B8

Deuteranopia (green-blind)

#0059B3

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2a5cb5;
/* rgb */ color: rgb(42, 92, 181);
/* oklch */ color: oklch(49.1% 0.151 260.9);

Tailwind

colors: {
  custom: {
    50: '#7889cc',
    500: '#2a5cb5',
    950: '#000000',
  },
}

SCSS

$custom: #2a5cb5;
$custom-light: #7889cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5cb5",
  "rgb": {
    "r": 42,
    "g": 92,
    "b": 181
  },
  "hsl": {
    "h": 218.417,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49108,
    "c": 0.15142,
    "h": 260.9
  },
  "luminance": 0.11483
}

Semantic roles & 50–950 ramp

primary

#2A5CB5

secondary

#C8A973

accent

#AB42E5

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5CB5

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

Preview Lab → · Contrast checker → · Palette generator →