#2A5FB3#2A5FB3

#2A5FB3 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.6% C 0.145 H 259.4°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#2A5FB3
RGB	rgb(42, 95, 179)
HSL	hsl(217, 62%, 43%)
HSV	hsv(217, 77%, 70%)
CMYK	cmyk(76.5%, 46.9%, 0%, 29.8%)
CIE-LAB	lab(41.10, 12.66, -49.68)
CIE-LCH	lch(41.10, 51.27, 284.30°)
OKLab	oklab(49.62% -0.0267 -0.1426)
OKLCH	oklch(49.62% 0.145 259.4)
XYZ	xyz(13.1808, 11.9298, 44.2471)
Luminance	0.1193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5FB3 #B37E2A

analogous

#2AA3B3 #2A5FB3 #392AB3

triadic

#2A5FB3 #B32A5F #5FB32A

tetradic

#2A5FB3 #B32AA3 #B37E2A #2AB339

square

#2A5FB3 #B32AA3 #B37E2A #2AB339

split-complementary

#2A5FB3 #B3392A #A3B32A

monochromatic

#132A50 #1E4581 #2A5FB3 #467DD4 #78A0DF

Accessibility & contrast

On white

6.20

#2A5FB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#2A5FB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5FB3

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5FB3	#FFFFFF	#000000	##FFFFFF
##2A5FB3	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3268B6

Deuteranopia (green-blind)

#0E5BB1

Tritanopia (blue-blind)

#007380

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2a5fb3;
/* rgb */ color: rgb(42, 95, 179);
/* oklch */ color: oklch(49.6% 0.145 259.4);

Tailwind

colors: {
  custom: {
    50: '#778bca',
    500: '#2a5fb3',
    950: '#000000',
  },
}

SCSS

$custom: #2a5fb3;
$custom-light: #778bca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5fb3",
  "rgb": {
    "r": 42,
    "g": 95,
    "b": 179
  },
  "hsl": {
    "h": 216.788,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.49623,
    "c": 0.14507,
    "h": 259.4
  },
  "luminance": 0.11931
}

Semantic roles & 50–950 ramp

primary

#2A5FB3

secondary

#C7A672

accent

#A643E5

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2A5FB3

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

Preview Lab → · Contrast checker → · Palette generator →