#2D559B#2D559B

#2D559B is a mid, vivid blue. Relative luminance 0.094; OKLCH L 45.8% C 0.123 H 260.7°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#2D559B
RGB	rgb(45, 85, 155)
HSL	hsl(218, 55%, 39%)
HSV	hsv(218, 71%, 61%)
CMYK	cmyk(71%, 45.2%, 0%, 39.2%)
CIE-LAB	lab(36.78, 10.45, -42.36)
CIE-LCH	lch(36.78, 43.63, 283.86°)
OKLab	oklab(45.83% -0.0198 -0.1212)
OKLCH	oklch(45.83% 0.123 260.7)
XYZ	xyz(10.2450, 9.4204, 32.2824)
Luminance	0.0942 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D559B #9B732D

analogous

#2D8C9B #2D559B #3C2D9B

triadic

#2D559B #9B2D55 #559B2D

tetradic

#2D559B #9B2D8C #9B732D #2D9B3C

square

#2D559B #9B2D8C #9B732D #2D9B3C

split-complementary

#2D559B #9B3C2D #8C9B2D

monochromatic

#11213C #1F3B6C #2D559B #3E70C7 #6E93D5

Accessibility & contrast

On white

7.28

#2D559B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#2D559B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D559B

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D559B	#FFFFFF	#000000	##FFFFFF
##2D559B	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325C9E

Deuteranopia (green-blind)

#1E529A

Tritanopia (blue-blind)

#006570

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2d559b;
/* rgb */ color: rgb(45, 85, 155);
/* oklch */ color: oklch(45.8% 0.123 260.7);

Tailwind

colors: {
  custom: {
    50: '#7484b9',
    500: '#2d559b',
    950: '#000000',
  },
}

SCSS

$custom: #2d559b;
$custom-light: #7484b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d559b",
  "rgb": {
    "r": 45,
    "g": 85,
    "b": 155
  },
  "hsl": {
    "h": 218.182,
    "s": 55,
    "l": 39.216
  },
  "oklch": {
    "l": 0.45832,
    "c": 0.12278,
    "h": 260.7
  },
  "luminance": 0.09421
}

Semantic roles & 50–950 ramp

primary

#2D559B

secondary

#BC9D68

accent

#A849DE

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2D559B

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

Preview Lab → · Contrast checker → · Palette generator →