#2A5CBB#2A5CBB

#2A5CBB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.6% C 0.160 H 261.7°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#2A5CBB
RGB	rgb(42, 92, 187)
HSL	hsl(219, 63%, 45%)
HSV	hsv(219, 78%, 73%)
CMYK	cmyk(77.5%, 50.8%, 0%, 26.7%)
CIE-LAB	lab(40.79, 17.69, -54.88)
CIE-LCH	lch(40.79, 57.66, 287.87°)
OKLab	oklab(49.55% -0.0231 -0.1579)
OKLCH	oklch(49.55% 0.16 261.7)
XYZ	xyz(13.7484, 11.7328, 48.5441)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5CBB #BB892A

analogous

#2AA5BB #2A5CBB #402ABB

triadic

#2A5CBB #BB2A5C #5CBB2A

tetradic

#2A5CBB #BB2AA5 #BB892A #2ABB40

square

#2A5CBB #BB2AA5 #BB892A #2ABB40

split-complementary

#2A5CBB #BB402A #A5BB2A

monochromatic

#142B57 #1F4389 #2A5CBB #4C7CD7 #7DA0E2

Accessibility & contrast

On white

6.27

#2A5CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#2A5CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5CBB

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5CBB	#FFFFFF	#000000	##FFFFFF
##2A5CBB	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2067BE

Deuteranopia (green-blind)

#005AB9

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2a5cbb;
/* rgb */ color: rgb(42, 92, 187);
/* oklch */ color: oklch(49.6% 0.160 261.7);

Tailwind

colors: {
  custom: {
    50: '#7989d0',
    500: '#2a5cbb',
    950: '#000000',
  },
}

SCSS

$custom: #2a5cbb;
$custom-light: #7989d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5cbb",
  "rgb": {
    "r": 42,
    "g": 92,
    "b": 187
  },
  "hsl": {
    "h": 219.31,
    "s": 63.319,
    "l": 44.902
  },
  "oklch": {
    "l": 0.49551,
    "c": 0.1596,
    "h": 261.7
  },
  "luminance": 0.11734
}

Semantic roles & 50–950 ramp

primary

#2A5CBB

secondary

#CAAD76

accent

#AD41E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2A5CBB

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

Preview Lab → · Contrast checker → · Palette generator →