#2A5CB2#2A5CB2

#2A5CB2 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.9% C 0.147 H 260.5°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#2A5CB2
RGB	rgb(42, 92, 178)
HSL	hsl(218, 62%, 43%)
HSV	hsv(218, 76%, 70%)
CMYK	cmyk(76.4%, 48.3%, 0%, 30.2%)
CIE-LAB	lab(40.18, 14.24, -50.58)
CIE-LCH	lch(40.18, 52.55, 285.72°)
OKLab	oklab(48.89% -0.0244 -0.1453)
OKLCH	oklch(48.89% 0.147 260.5)
XYZ	xyz(12.8150, 11.3594, 43.6280)
Luminance	0.1136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5CB2 #B2802A

analogous

#2AA0B2 #2A5CB2 #3C2AB2

triadic

#2A5CB2 #B22A5C #5CB22A

tetradic

#2A5CB2 #B22AA0 #B2802A #2AB23C

square

#2A5CB2 #B22AA0 #B2802A #2AB23C

split-complementary

#2A5CB2 #B23C2A #A0B22A

monochromatic

#13294F #1E4280 #2A5CB2 #467AD3 #779DDF

Accessibility & contrast

On white

6.42

#2A5CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#2A5CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5CB2

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5CB2	#FFFFFF	#000000	##FFFFFF
##2A5CB2	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C65B5

Deuteranopia (green-blind)

#0059B0

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2a5cb2;
/* rgb */ color: rgb(42, 92, 178);
/* oklch */ color: oklch(48.9% 0.147 260.5);

Tailwind

colors: {
  custom: {
    50: '#7789ca',
    500: '#2a5cb2',
    950: '#000000',
  },
}

SCSS

$custom: #2a5cb2;
$custom-light: #7789ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5cb2",
  "rgb": {
    "r": 42,
    "g": 92,
    "b": 178
  },
  "hsl": {
    "h": 217.941,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48891,
    "c": 0.14731,
    "h": 260.5
  },
  "luminance": 0.11361
}

Semantic roles & 50–950 ramp

primary

#2A5CB2

secondary

#C7A771

accent

#A943E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5CB2

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

Preview Lab → · Contrast checker → · Palette generator →