#2A5FB8#2A5FB8

#2A5FB8 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.0% C 0.152 H 260.2°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#2A5FB8
RGB	rgb(42, 95, 184)
HSL	hsl(218, 63%, 44%)
HSV	hsv(218, 77%, 72%)
CMYK	cmyk(77.2%, 48.4%, 0%, 27.8%)
CIE-LAB	lab(41.43, 14.58, -52.09)
CIE-LCH	lch(41.43, 54.09, 285.64°)
OKLab	oklab(49.98% -0.0259 -0.1496)
OKLCH	oklch(49.98% 0.152 260.2)
XYZ	xyz(13.6956, 12.1358, 46.9587)
Luminance	0.1214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5FB8 #B8832A

analogous

#2AA6B8 #2A5FB8 #3C2AB8

triadic

#2A5FB8 #B82A5F #5FB82A

tetradic

#2A5FB8 #B82AA6 #B8832A #2AB83C

square

#2A5FB8 #B82AA6 #B8832A #2AB83C

split-complementary

#2A5FB8 #B83C2A #A6B82A

monochromatic

#132C54 #1F4586 #2A5FB8 #4A7ED6 #7BA1E1

Accessibility & contrast

On white

6.13

#2A5FB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#2A5FB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5FB8

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5FB8	#FFFFFF	#000000	##FFFFFF
##2A5FB8	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D69BB

Deuteranopia (green-blind)

#005CB6

Tritanopia (blue-blind)

#007482

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2a5fb8;
/* rgb */ color: rgb(42, 95, 184);
/* oklch */ color: oklch(50.0% 0.152 260.2);

Tailwind

colors: {
  custom: {
    50: '#788bce',
    500: '#2a5fb8',
    950: '#000000',
  },
}

SCSS

$custom: #2a5fb8;
$custom-light: #788bce;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5fb8",
  "rgb": {
    "r": 42,
    "g": 95,
    "b": 184
  },
  "hsl": {
    "h": 217.606,
    "s": 62.832,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49979,
    "c": 0.15188,
    "h": 260.2
  },
  "luminance": 0.12137
}

Semantic roles & 50–950 ramp

primary

#2A5FB8

secondary

#C9AA75

accent

#A942E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2A5FB8

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

Preview Lab → · Contrast checker → · Palette generator →