#2A5BB9#2A5BB9

#2A5BB9 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.2% C 0.158 H 261.8°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#2A5BB9
RGB	rgb(42, 91, 185)
HSL	hsl(219, 63%, 45%)
HSV	hsv(219, 77%, 73%)
CMYK	cmyk(77.3%, 50.8%, 0%, 27.5%)
CIE-LAB	lab(40.37, 17.58, -54.38)
CIE-LCH	lch(40.37, 57.15, 287.91°)
OKLab	oklab(49.19% -0.0226 -0.1565)
OKLCH	oklch(49.19% 0.158 261.8)
XYZ	xyz(13.4497, 11.4756, 47.3957)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5BB9 #B9882A

analogous

#2AA2B9 #2A5BB9 #412AB9

triadic

#2A5BB9 #B92A5B #5BB92A

tetradic

#2A5BB9 #B92AA2 #B9882A #2AB941

square

#2A5BB9 #B92AA2 #B9882A #2AB941

split-complementary

#2A5BB9 #B9412A #A2B92A

monochromatic

#132A55 #1F4287 #2A5BB9 #4A7AD6 #7C9FE1

Accessibility & contrast

On white

6.37

#2A5BB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#2A5BB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5BB9

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5BB9	#FFFFFF	#000000	##FFFFFF
##2A5BB9	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2066BC

Deuteranopia (green-blind)

#0059B7

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2a5bb9;
/* rgb */ color: rgb(42, 91, 185);
/* oklch */ color: oklch(49.2% 0.158 261.8);

Tailwind

colors: {
  custom: {
    50: '#7988cf',
    500: '#2a5bb9',
    950: '#000000',
  },
}

SCSS

$custom: #2a5bb9;
$custom-light: #7988cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5bb9",
  "rgb": {
    "r": 42,
    "g": 91,
    "b": 185
  },
  "hsl": {
    "h": 219.441,
    "s": 62.996,
    "l": 44.51
  },
  "oklch": {
    "l": 0.49188,
    "c": 0.1581,
    "h": 261.8
  },
  "luminance": 0.11477
}

Semantic roles & 50–950 ramp

primary

#2A5BB9

secondary

#CAAD75

accent

#AE42E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2A5BB9

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

Preview Lab → · Contrast checker → · Palette generator →