#2A5BB5#2A5BB5

#2A5BB5 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.9% C 0.153 H 261.3°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#2A5BB5
RGB	rgb(42, 91, 181)
HSL	hsl(219, 62%, 44%)
HSV	hsv(219, 77%, 71%)
CMYK	cmyk(76.8%, 49.7%, 0%, 29%)
CIE-LAB	lab(40.10, 16.04, -52.48)
CIE-LCH	lch(40.10, 54.88, 287.00°)
OKLab	oklab(48.89% -0.0231 -0.1509)
OKLCH	oklch(48.89% 0.153 261.3)
XYZ	xyz(13.0334, 11.3091, 45.2031)
Luminance	0.1131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5BB5 #B5842A

analogous

#2AA0B5 #2A5BB5 #3E2AB5

triadic

#2A5BB5 #B52A5B #5BB52A

tetradic

#2A5BB5 #B52AA0 #B5842A #2AB53E

square

#2A5BB5 #B52AA0 #B5842A #2AB53E

split-complementary

#2A5BB5 #B53E2A #A0B52A

monochromatic

#132952 #1E4283 #2A5BB5 #4879D4 #799EE0

Accessibility & contrast

On white

6.44

#2A5BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#2A5BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5BB5

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5BB5	#FFFFFF	#000000	##FFFFFF
##2A5BB5	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2665B8

Deuteranopia (green-blind)

#0059B3

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2a5bb5;
/* rgb */ color: rgb(42, 91, 181);
/* oklch */ color: oklch(48.9% 0.153 261.3);

Tailwind

colors: {
  custom: {
    50: '#7888cc',
    500: '#2a5bb5',
    950: '#000000',
  },
}

SCSS

$custom: #2a5bb5;
$custom-light: #7888cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5bb5",
  "rgb": {
    "r": 42,
    "g": 91,
    "b": 181
  },
  "hsl": {
    "h": 218.849,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48891,
    "c": 0.15264,
    "h": 261.3
  },
  "luminance": 0.11311
}

Semantic roles & 50–950 ramp

primary

#2A5BB5

secondary

#C8AA73

accent

#AC42E5

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5BB5

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

Preview Lab → · Contrast checker → · Palette generator →