#2A5BBB#2A5BBB

#2A5BBB is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.3% C 0.161 H 262.0°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#2A5BBB
RGB	rgb(42, 91, 187)
HSL	hsl(220, 63%, 45%)
HSV	hsv(220, 78%, 73%)
CMYK	cmyk(77.5%, 51.3%, 0%, 26.7%)
CIE-LAB	lab(40.51, 18.34, -55.33)
CIE-LCH	lch(40.51, 58.29, 288.34°)
OKLab	oklab(49.34% -0.0224 -0.1593)
OKLCH	oklch(49.34% 0.161 262)
XYZ	xyz(13.6623, 11.5607, 48.5155)
Luminance	0.1156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5BBB #BB8A2A

analogous

#2AA4BB #2A5BBB #412ABB

triadic

#2A5BBB #BB2A5B #5BBB2A

tetradic

#2A5BBB #BB2AA4 #BB8A2A #2ABB41

square

#2A5BBB #BB2AA4 #BB8A2A #2ABB41

split-complementary

#2A5BBB #BB412A #A4BB2A

monochromatic

#142A57 #1F4389 #2A5BBB #4C7BD7 #7D9FE2

Accessibility & contrast

On white

6.34

#2A5BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#2A5BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5BBB

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5BBB	#FFFFFF	#000000	##FFFFFF
##2A5BBB	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C66BE

Deuteranopia (green-blind)

#0059B9

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2a5bbb;
/* rgb */ color: rgb(42, 91, 187);
/* oklch */ color: oklch(49.3% 0.161 262.0);

Tailwind

colors: {
  custom: {
    50: '#7988d0',
    500: '#2a5bbb',
    950: '#000000',
  },
}

SCSS

$custom: #2a5bbb;
$custom-light: #7988d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5bbb",
  "rgb": {
    "r": 42,
    "g": 91,
    "b": 187
  },
  "hsl": {
    "h": 219.724,
    "s": 63.319,
    "l": 44.902
  },
  "oklch": {
    "l": 0.49338,
    "c": 0.16082,
    "h": 262
  },
  "luminance": 0.11562
}

Semantic roles & 50–950 ramp

primary

#2A5BBB

secondary

#CAAE76

accent

#AF41E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2A5BBB

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

Preview Lab → · Contrast checker → · Palette generator →