#2D59BB#2D59BB

#2D59BB is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.0% C 0.162 H 263.4°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#2D59BB
RGB	rgb(45, 89, 187)
HSL	hsl(221, 61%, 45%)
HSV	hsv(221, 76%, 73%)
CMYK	cmyk(75.9%, 52.4%, 0%, 26.7%)
CIE-LAB	lab(40.06, 20.00, -56.04)
CIE-LCH	lch(40.06, 59.51, 289.64°)
OKLab	oklab(49.03% -0.0186 -0.1614)
OKLCH	oklch(49.03% 0.162 263.4)
XYZ	xyz(13.6210, 11.2890, 48.4652)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D59BB #BB8F2D

analogous

#2DA0BB #2D59BB #482DBB

triadic

#2D59BB #BB2D59 #59BB2D

tetradic

#2D59BB #BB2DA0 #BB8F2D #2DBB48

square

#2D59BB #BB2DA0 #BB8F2D #2DBB48

split-complementary

#2D59BB #BB482D #A0BB2D

monochromatic

#152A58 #21428A #2D59BB #5079D5 #829FE1

Accessibility & contrast

On white

6.45

#2D59BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#2D59BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D59BB

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D59BB	#FFFFFF	#000000	##FFFFFF
##2D59BB	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1565BE

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2d59bb;
/* rgb */ color: rgb(45, 89, 187);
/* oklch */ color: oklch(49.0% 0.162 263.4);

Tailwind

colors: {
  custom: {
    50: '#7a87d0',
    500: '#2d59bb',
    950: '#000000',
  },
}

SCSS

$custom: #2d59bb;
$custom-light: #7a87d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d59bb",
  "rgb": {
    "r": 45,
    "g": 89,
    "b": 187
  },
  "hsl": {
    "h": 221.408,
    "s": 61.207,
    "l": 45.49
  },
  "oklch": {
    "l": 0.49029,
    "c": 0.16243,
    "h": 263.4
  },
  "luminance": 0.11291
}

Semantic roles & 50–950 ramp

primary

#2D59BB

secondary

#CAB17A

accent

#B243E4

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2D59BB

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

Preview Lab → · Contrast checker → · Palette generator →