#2A5ABB#2A5ABB

#2A5ABB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.1% C 0.162 H 262.3°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#2A5ABB
RGB	rgb(42, 90, 187)
HSL	hsl(220, 63%, 45%)
HSV	hsv(220, 78%, 73%)
CMYK	cmyk(77.5%, 51.9%, 0%, 26.7%)
CIE-LAB	lab(40.23, 19.00, -55.78)
CIE-LCH	lch(40.23, 58.92, 288.81°)
OKLab	oklab(49.13% -0.0216 -0.1606)
OKLCH	oklch(49.13% 0.162 262.3)
XYZ	xyz(13.5774, 11.3909, 48.4872)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5ABB #BB8B2A

analogous

#2AA3BB #2A5ABB #432ABB

triadic

#2A5ABB #BB2A5A #5ABB2A

tetradic

#2A5ABB #BB2AA3 #BB8B2A #2ABB43

square

#2A5ABB #BB2AA3 #BB8B2A #2ABB43

split-complementary

#2A5ABB #BB432A #A3BB2A

monochromatic

#142A57 #1F4289 #2A5ABB #4C7AD7 #7D9FE2

Accessibility & contrast

On white

6.41

#2A5ABB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#2A5ABB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5ABB

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5ABB	#FFFFFF	#000000	##FFFFFF
##2A5ABB	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1866BE

Deuteranopia (green-blind)

#0059B9

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2a5abb;
/* rgb */ color: rgb(42, 90, 187);
/* oklch */ color: oklch(49.1% 0.162 262.3);

Tailwind

colors: {
  custom: {
    50: '#7988d0',
    500: '#2a5abb',
    950: '#000000',
  },
}

SCSS

$custom: #2a5abb;
$custom-light: #7988d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5abb",
  "rgb": {
    "r": 42,
    "g": 90,
    "b": 187
  },
  "hsl": {
    "h": 220.138,
    "s": 63.319,
    "l": 44.902
  },
  "oklch": {
    "l": 0.49127,
    "c": 0.16204,
    "h": 262.3
  },
  "luminance": 0.11392
}

Semantic roles & 50–950 ramp

primary

#2A5ABB

secondary

#CAAF76

accent

#B041E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2A5ABB

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

Preview Lab → · Contrast checker → · Palette generator →