#2C59BB#2C59BB

#2C59BB is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.0% C 0.163 H 263.2°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#2C59BB
RGB	rgb(44, 89, 187)
HSL	hsl(221, 62%, 45%)
HSV	hsv(221, 76%, 73%)
CMYK	cmyk(76.5%, 52.4%, 0%, 26.7%)
CIE-LAB	lab(40.03, 19.88, -56.11)
CIE-LCH	lch(40.03, 59.53, 289.51°)
OKLab	oklab(48.99% -0.0194 -0.1616)
OKLCH	oklch(48.99% 0.163 263.2)
XYZ	xyz(13.5775, 11.2665, 48.4632)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C59BB #BB8E2C

analogous

#2CA0BB #2C59BB #462CBB

triadic

#2C59BB #BB2C59 #59BB2C

tetradic

#2C59BB #BB2CA0 #BB8E2C #2CBB46

square

#2C59BB #BB2CA0 #BB8E2C #2CBB46

split-complementary

#2C59BB #BB462C #A0BB2C

monochromatic

#152A58 #204189 #2C59BB #4F79D6 #809FE1

Accessibility & contrast

On white

6.45

#2C59BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#2C59BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C59BB

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C59BB	#FFFFFF	#000000	##FFFFFF
##2C59BB	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	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: #2c59bb;
/* rgb */ color: rgb(44, 89, 187);
/* oklch */ color: oklch(49.0% 0.163 263.2);

Tailwind

colors: {
  custom: {
    50: '#7a87d0',
    500: '#2c59bb',
    950: '#000000',
  },
}

SCSS

$custom: #2c59bb;
$custom-light: #7a87d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2c59bb",
  "rgb": {
    "r": 44,
    "g": 89,
    "b": 187
  },
  "hsl": {
    "h": 221.119,
    "s": 61.905,
    "l": 45.294
  },
  "oklch": {
    "l": 0.4899,
    "c": 0.16272,
    "h": 263.2
  },
  "luminance": 0.11268
}

Semantic roles & 50–950 ramp

primary

#2C59BB

secondary

#CAB079

accent

#B243E5

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2C59BB

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

Preview Lab → · Contrast checker → · Palette generator →