#2A5FB9#2A5FB9

#2A5FB9 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.1% C 0.153 H 260.3°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#2A5FB9
RGB	rgb(42, 95, 185)
HSL	hsl(218, 63%, 45%)
HSV	hsv(218, 77%, 73%)
CMYK	cmyk(77.3%, 48.6%, 0%, 27.5%)
CIE-LAB	lab(41.50, 14.97, -52.56)
CIE-LCH	lch(41.50, 54.65, 285.89°)
OKLab	oklab(50.05% -0.0258 -0.151)
OKLCH	oklch(50.05% 0.153 260.3)
XYZ	xyz(13.8008, 12.1778, 47.5127)
Luminance	0.1218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5FB9 #B9842A

analogous

#2AA7B9 #2A5FB9 #3C2AB9

triadic

#2A5FB9 #B92A5F #5FB92A

tetradic

#2A5FB9 #B92AA7 #B9842A #2AB93C

square

#2A5FB9 #B92AA7 #B9842A #2AB93C

split-complementary

#2A5FB9 #B93C2A #A7B92A

monochromatic

#132C55 #1F4587 #2A5FB9 #4A7ED6 #7CA2E1

Accessibility & contrast

On white

6.11

#2A5FB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#2A5FB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5FB9

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5FB9	#FFFFFF	#000000	##FFFFFF
##2A5FB9	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B69BC

Deuteranopia (green-blind)

#005CB7

Tritanopia (blue-blind)

#007583

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2a5fb9;
/* rgb */ color: rgb(42, 95, 185);
/* oklch */ color: oklch(50.1% 0.153 260.3);

Tailwind

colors: {
  custom: {
    50: '#798bcf',
    500: '#2a5fb9',
    950: '#000000',
  },
}

SCSS

$custom: #2a5fb9;
$custom-light: #798bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5fb9",
  "rgb": {
    "r": 42,
    "g": 95,
    "b": 185
  },
  "hsl": {
    "h": 217.762,
    "s": 62.996,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50051,
    "c": 0.15323,
    "h": 260.3
  },
  "luminance": 0.12179
}

Semantic roles & 50–950 ramp

primary

#2A5FB9

secondary

#CAAA75

accent

#A942E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2A5FB9

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

Preview Lab → · Contrast checker → · Palette generator →