#2A5FB5#2A5FB5

#2A5FB5 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.8% C 0.148 H 259.7°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#2A5FB5
RGB	rgb(42, 95, 181)
HSL	hsl(217, 62%, 44%)
HSV	hsv(217, 77%, 71%)
CMYK	cmyk(76.8%, 47.5%, 0%, 29%)
CIE-LAB	lab(41.23, 13.43, -50.65)
CIE-LCH	lch(41.23, 52.40, 284.85°)
OKLab	oklab(49.76% -0.0264 -0.1454)
OKLCH	oklch(49.76% 0.148 259.7)
XYZ	xyz(13.3845, 12.0113, 45.3201)
Luminance	0.1201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5FB5 #B5802A

analogous

#2AA4B5 #2A5FB5 #3A2AB5

triadic

#2A5FB5 #B52A5F #5FB52A

tetradic

#2A5FB5 #B52AA4 #B5802A #2AB53A

square

#2A5FB5 #B52AA4 #B5802A #2AB53A

split-complementary

#2A5FB5 #B53A2A #A4B52A

monochromatic

#132B52 #1E4583 #2A5FB5 #487DD4 #79A1E0

Accessibility & contrast

On white

6.17

#2A5FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#2A5FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5FB5

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5FB5	#FFFFFF	#000000	##FFFFFF
##2A5FB5	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3068B8

Deuteranopia (green-blind)

#055BB3

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2a5fb5;
/* rgb */ color: rgb(42, 95, 181);
/* oklch */ color: oklch(49.8% 0.148 259.7);

Tailwind

colors: {
  custom: {
    50: '#788bcc',
    500: '#2a5fb5',
    950: '#000000',
  },
}

SCSS

$custom: #2a5fb5;
$custom-light: #788bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5fb5",
  "rgb": {
    "r": 42,
    "g": 95,
    "b": 181
  },
  "hsl": {
    "h": 217.122,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49764,
    "c": 0.14779,
    "h": 259.7
  },
  "luminance": 0.12013
}

Semantic roles & 50–950 ramp

primary

#2A5FB5

secondary

#C8A873

accent

#A742E5

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2A5FB5

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

Preview Lab → · Contrast checker → · Palette generator →