#2D59B8#2D59B8

#2D59B8 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.8% C 0.158 H 263.1°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#2D59B8
RGB	rgb(45, 89, 184)
HSL	hsl(221, 61%, 45%)
HSV	hsv(221, 76%, 72%)
CMYK	cmyk(75.5%, 51.6%, 0%, 27.8%)
CIE-LAB	lab(39.85, 18.86, -54.63)
CIE-LCH	lch(39.85, 57.79, 289.05°)
OKLab	oklab(48.8% -0.019 -0.1572)
OKLCH	oklch(48.8% 0.158 263.1)
XYZ	xyz(13.3032, 11.1619, 46.7914)
Luminance	0.1116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D59B8 #B88C2D

analogous

#2D9FB8 #2D59B8 #462DB8

triadic

#2D59B8 #B82D59 #59B82D

tetradic

#2D59B8 #B82D9F #B88C2D #2DB846

square

#2D59B8 #B82D9F #B88C2D #2DB846

split-complementary

#2D59B8 #B8462D #9FB82D

monochromatic

#152956 #214187 #2D59B8 #4E79D4 #809EE0

Accessibility & contrast

On white

6.50

#2D59B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#2D59B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D59B8

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D59B8	#FFFFFF	#000000	##FFFFFF
##2D59B8	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B65BB

Deuteranopia (green-blind)

#0058B6

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2d59b8;
/* rgb */ color: rgb(45, 89, 184);
/* oklch */ color: oklch(48.8% 0.158 263.1);

Tailwind

colors: {
  custom: {
    50: '#7a87ce',
    500: '#2d59b8',
    950: '#000000',
  },
}

SCSS

$custom: #2d59b8;
$custom-light: #7a87ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2d59b8",
  "rgb": {
    "r": 45,
    "g": 89,
    "b": 184
  },
  "hsl": {
    "h": 221.007,
    "s": 60.699,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48801,
    "c": 0.15834,
    "h": 263.1
  },
  "luminance": 0.11163
}

Semantic roles & 50–950 ramp

primary

#2D59B8

secondary

#C9AF78

accent

#B144E4

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2D59B8

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

Preview Lab → · Contrast checker → · Palette generator →