#2A59BB#2A59BB

#2A59BB is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.9% C 0.163 H 262.7°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#2A59BB
RGB	rgb(42, 89, 187)
HSL	hsl(221, 63%, 45%)
HSV	hsv(221, 78%, 73%)
CMYK	cmyk(77.5%, 52.4%, 0%, 26.7%)
CIE-LAB	lab(39.95, 19.65, -56.23)
CIE-LCH	lch(39.95, 59.56, 289.27°)
OKLab	oklab(48.92% -0.0208 -0.1619)
OKLCH	oklch(48.92% 0.163 262.7)
XYZ	xyz(13.4936, 11.2233, 48.4592)
Luminance	0.1123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A59BB #BB8C2A

analogous

#2AA1BB #2A59BB #442ABB

triadic

#2A59BB #BB2A59 #59BB2A

tetradic

#2A59BB #BB2AA1 #BB8C2A #2ABB44

square

#2A59BB #BB2AA1 #BB8C2A #2ABB44

split-complementary

#2A59BB #BB442A #A1BB2A

monochromatic

#142957 #1F4189 #2A59BB #4C79D7 #7D9EE2

Accessibility & contrast

On white

6.47

#2A59BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#2A59BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A59BB

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A59BB	#FFFFFF	#000000	##FFFFFF
##2A59BB	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)

#1465BE

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2a59bb;
/* rgb */ color: rgb(42, 89, 187);
/* oklch */ color: oklch(48.9% 0.163 262.7);

Tailwind

colors: {
  custom: {
    50: '#7987d0',
    500: '#2a59bb',
    950: '#000000',
  },
}

SCSS

$custom: #2a59bb;
$custom-light: #7987d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a59bb",
  "rgb": {
    "r": 42,
    "g": 89,
    "b": 187
  },
  "hsl": {
    "h": 220.552,
    "s": 63.319,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48916,
    "c": 0.16327,
    "h": 262.7
  },
  "luminance": 0.11225
}

Semantic roles & 50–950 ramp

primary

#2A59BB

secondary

#CAAF76

accent

#B141E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2A59BB

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

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