#2A5BB2#2A5BB2

#2A5BB2 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.7% C 0.149 H 260.9°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#2A5BB2
RGB	rgb(42, 91, 178)
HSL	hsl(218, 62%, 43%)
HSV	hsv(218, 76%, 70%)
CMYK	cmyk(76.4%, 48.9%, 0%, 30.2%)
CIE-LAB	lab(39.89, 14.89, -51.04)
CIE-LCH	lch(39.89, 53.17, 286.26°)
OKLab	oklab(48.67% -0.0236 -0.1466)
OKLCH	oklch(48.67% 0.149 260.9)
XYZ	xyz(12.7289, 11.1873, 43.5994)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5BB2 #B2812A

analogous

#2A9FB2 #2A5BB2 #3D2AB2

triadic

#2A5BB2 #B22A5B #5BB22A

tetradic

#2A5BB2 #B22A9F #B2812A #2AB23D

square

#2A5BB2 #B22A9F #B2812A #2AB23D

split-complementary

#2A5BB2 #B23D2A #9FB22A

monochromatic

#13284F #1E4280 #2A5BB2 #4679D3 #779DDF

Accessibility & contrast

On white

6.49

#2A5BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#2A5BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5BB2

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5BB2	#FFFFFF	#000000	##FFFFFF
##2A5BB2	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2965B5

Deuteranopia (green-blind)

#0058B0

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2a5bb2;
/* rgb */ color: rgb(42, 91, 178);
/* oklch */ color: oklch(48.7% 0.149 260.9);

Tailwind

colors: {
  custom: {
    50: '#7788ca',
    500: '#2a5bb2',
    950: '#000000',
  },
}

SCSS

$custom: #2a5bb2;
$custom-light: #7788ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5bb2",
  "rgb": {
    "r": 42,
    "g": 91,
    "b": 178
  },
  "hsl": {
    "h": 218.382,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48672,
    "c": 0.14853,
    "h": 260.9
  },
  "luminance": 0.11189
}

Semantic roles & 50–950 ramp

primary

#2A5BB2

secondary

#C7A871

accent

#AB43E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5BB2

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

Preview Lab → · Contrast checker → · Palette generator →