#2A5BB3#2A5BB3

#2A5BB3 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.7% C 0.150 H 261.0°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#2A5BB3
RGB	rgb(42, 91, 179)
HSL	hsl(219, 62%, 43%)
HSV	hsv(219, 77%, 70%)
CMYK	cmyk(76.5%, 49.2%, 0%, 29.8%)
CIE-LAB	lab(39.96, 15.27, -51.52)
CIE-LCH	lch(39.96, 53.74, 286.51°)
OKLab	oklab(48.75% -0.0234 -0.1481)
OKLCH	oklch(48.75% 0.15 261)
XYZ	xyz(12.8297, 11.2276, 44.1301)
Luminance	0.1123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5BB3 #B3822A

analogous

#2A9FB3 #2A5BB3 #3D2AB3

triadic

#2A5BB3 #B32A5B #5BB32A

tetradic

#2A5BB3 #B32A9F #B3822A #2AB33D

square

#2A5BB3 #B32A9F #B3822A #2AB33D

split-complementary

#2A5BB3 #B33D2A #9FB32A

monochromatic

#132950 #1E4281 #2A5BB3 #4679D4 #789DDF

Accessibility & contrast

On white

6.47

#2A5BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#2A5BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5BB3

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5BB3	#FFFFFF	#000000	##FFFFFF
##2A5BB3	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2865B6

Deuteranopia (green-blind)

#0058B1

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2a5bb3;
/* rgb */ color: rgb(42, 91, 179);
/* oklch */ color: oklch(48.7% 0.150 261.0);

Tailwind

colors: {
  custom: {
    50: '#7788ca',
    500: '#2a5bb3',
    950: '#000000',
  },
}

SCSS

$custom: #2a5bb3;
$custom-light: #7788ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5bb3",
  "rgb": {
    "r": 42,
    "g": 91,
    "b": 179
  },
  "hsl": {
    "h": 218.54,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48745,
    "c": 0.14991,
    "h": 261
  },
  "luminance": 0.11229
}

Semantic roles & 50–950 ramp

primary

#2A5BB3

secondary

#C7A972

accent

#AB43E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2A5BB3

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

Preview Lab → · Contrast checker → · Palette generator →