#2A5AB2#2A5AB2

#2A5AB2 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.5% C 0.150 H 261.3°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#2A5AB2
RGB	rgb(42, 90, 178)
HSL	hsl(219, 62%, 43%)
HSV	hsv(219, 76%, 70%)
CMYK	cmyk(76.4%, 49.4%, 0%, 30.2%)
CIE-LAB	lab(39.61, 15.54, -51.50)
CIE-LCH	lch(39.61, 53.80, 286.79°)
OKLab	oklab(48.45% -0.0227 -0.148)
OKLCH	oklch(48.45% 0.15 261.3)
XYZ	xyz(12.6440, 11.0175, 43.5711)
Luminance	0.1102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5AB2 #B2822A

analogous

#2A9EB2 #2A5AB2 #3E2AB2

triadic

#2A5AB2 #B22A5A #5AB22A

tetradic

#2A5AB2 #B22A9E #B2822A #2AB23E

square

#2A5AB2 #B22A9E #B2822A #2AB23E

split-complementary

#2A5AB2 #B23E2A #9EB22A

monochromatic

#13284F #1E4180 #2A5AB2 #4678D3 #779CDF

Accessibility & contrast

On white

6.55

#2A5AB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#2A5AB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5AB2

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5AB2	#FFFFFF	#000000	##FFFFFF
##2A5AB2	1.00	6.55	3.20	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2764B5

Deuteranopia (green-blind)

#0057B0

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2a5ab2;
/* rgb */ color: rgb(42, 90, 178);
/* oklch */ color: oklch(48.5% 0.150 261.3);

Tailwind

colors: {
  custom: {
    50: '#7788ca',
    500: '#2a5ab2',
    950: '#000000',
  },
}

SCSS

$custom: #2a5ab2;
$custom-light: #7788ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5ab2",
  "rgb": {
    "r": 42,
    "g": 90,
    "b": 178
  },
  "hsl": {
    "h": 218.824,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48454,
    "c": 0.14976,
    "h": 261.3
  },
  "luminance": 0.11019
}

Semantic roles & 50–950 ramp

primary

#2A5AB2

secondary

#C7A971

accent

#AC43E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5AB2

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

Preview Lab → · Contrast checker → · Palette generator →