#2D59B5#2D59B5

#2D59B5 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.6% C 0.154 H 262.8°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#2D59B5
RGB	rgb(45, 89, 181)
HSL	hsl(221, 60%, 44%)
HSV	hsv(221, 75%, 71%)
CMYK	cmyk(75.1%, 50.8%, 0%, 29%)
CIE-LAB	lab(39.64, 17.72, -53.21)
CIE-LCH	lch(39.64, 56.08, 288.42°)
OKLab	oklab(48.58% -0.0193 -0.153)
OKLCH	oklch(48.58% 0.154 262.8)
XYZ	xyz(12.9921, 11.0374, 45.1528)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D59B5 #B5892D

analogous

#2D9DB5 #2D59B5 #452DB5

triadic

#2D59B5 #B52D59 #59B52D

tetradic

#2D59B5 #B52D9D #B5892D #2DB545

square

#2D59B5 #B52D9D #B5892D #2DB545

split-complementary

#2D59B5 #B5452D #9DB52D

monochromatic

#152953 #214184 #2D59B5 #4D78D3 #7E9DDF

Accessibility & contrast

On white

6.55

#2D59B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#2D59B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D59B5

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D59B5	#FFFFFF	#000000	##FFFFFF
##2D59B5	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2064B8

Deuteranopia (green-blind)

#0057B3

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2d59b5;
/* rgb */ color: rgb(45, 89, 181);
/* oklch */ color: oklch(48.6% 0.154 262.8);

Tailwind

colors: {
  custom: {
    50: '#7987cc',
    500: '#2d59b5',
    950: '#000000',
  },
}

SCSS

$custom: #2d59b5;
$custom-light: #7987cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2d59b5",
  "rgb": {
    "r": 45,
    "g": 89,
    "b": 181
  },
  "hsl": {
    "h": 220.588,
    "s": 60.177,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48576,
    "c": 0.15423,
    "h": 262.8
  },
  "luminance": 0.11039
}

Semantic roles & 50–950 ramp

primary

#2D59B5

secondary

#C7AD76

accent

#B044E3

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2D59B5

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

Preview Lab → · Contrast checker → · Palette generator →