#2C59B9#2C59B9

#2C59B9 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.8% C 0.160 H 263.0°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#2C59B9
RGB	rgb(44, 89, 185)
HSL	hsl(221, 62%, 45%)
HSV	hsv(221, 76%, 73%)
CMYK	cmyk(76.2%, 51.9%, 0%, 27.5%)
CIE-LAB	lab(39.88, 19.12, -55.16)
CIE-LCH	lch(39.88, 58.39, 289.12°)
OKLab	oklab(48.84% -0.0196 -0.1588)
OKLCH	oklch(48.84% 0.16 263)
XYZ	xyz(13.3649, 11.1815, 47.3434)
Luminance	0.1118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C59B9 #B98C2C

analogous

#2CA0B9 #2C59B9 #452CB9

triadic

#2C59B9 #B92C59 #59B92C

tetradic

#2C59B9 #B92CA0 #B98C2C #2CB945

square

#2C59B9 #B92CA0 #B98C2C #2CB945

split-complementary

#2C59B9 #B9452C #A0B92C

monochromatic

#142956 #204188 #2C59B9 #4D79D5 #7F9EE1

Accessibility & contrast

On white

6.49

#2C59B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#2C59B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C59B9

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C59B9	#FFFFFF	#000000	##FFFFFF
##2C59B9	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)

#1965BC

Deuteranopia (green-blind)

#0058B7

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2c59b9;
/* rgb */ color: rgb(44, 89, 185);
/* oklch */ color: oklch(48.8% 0.160 263.0);

Tailwind

colors: {
  custom: {
    50: '#7a87cf',
    500: '#2c59b9',
    950: '#000000',
  },
}

SCSS

$custom: #2c59b9;
$custom-light: #7a87cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2c59b9",
  "rgb": {
    "r": 44,
    "g": 89,
    "b": 185
  },
  "hsl": {
    "h": 220.851,
    "s": 61.572,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48838,
    "c": 0.16,
    "h": 263
  },
  "luminance": 0.11183
}

Semantic roles & 50–950 ramp

primary

#2C59B9

secondary

#C9AF78

accent

#B143E5

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2C59B9

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

Preview Lab → · Contrast checker → · Palette generator →