#2558A1#2558A1

#2558A1 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.6% C 0.130 H 257.9°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#2558A1
RGB	rgb(37, 88, 161)
HSL	hsl(215, 63%, 39%)
HSV	hsv(215, 77%, 63%)
CMYK	cmyk(77%, 45.3%, 0%, 36.9%)
CIE-LAB	lab(37.74, 9.65, -44.43)
CIE-LCH	lch(37.74, 45.47, 282.25°)
OKLab	oklab(46.61% -0.0273 -0.1273)
OKLCH	oklch(46.61% 0.13 257.9)
XYZ	xyz(10.6833, 9.9447, 35.0678)
Luminance	0.0995 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2558A1 #A16E25

analogous

#2596A1 #2558A1 #3025A1

triadic

#2558A1 #A12558 #58A125

tetradic

#2558A1 #A12596 #A16E25 #25A130

square

#2558A1 #A12596 #A16E25 #25A130

split-complementary

#2558A1 #A13025 #96A125

monochromatic

#0E223D #1A3D6F #2558A1 #3374D0 #6596DC

Accessibility & contrast

On white

7.03

#2558A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#2558A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2558A1

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2558A1	#FFFFFF	#000000	##FFFFFF
##2558A1	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335FA4

Deuteranopia (green-blind)

#1954A0

Tritanopia (blue-blind)

#006974

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2558a1;
/* rgb */ color: rgb(37, 88, 161);
/* oklch */ color: oklch(46.6% 0.130 257.9);

Tailwind

colors: {
  custom: {
    50: '#7286bd',
    500: '#2558a1',
    950: '#000000',
  },
}

SCSS

$custom: #2558a1;
$custom-light: #7286bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2558a1",
  "rgb": {
    "r": 37,
    "g": 88,
    "b": 161
  },
  "hsl": {
    "h": 215.323,
    "s": 62.626,
    "l": 38.824
  },
  "oklch": {
    "l": 0.46612,
    "c": 0.13023,
    "h": 257.9
  },
  "luminance": 0.09946
}

Semantic roles & 50–950 ramp

primary

#2558A1

secondary

#C19961

accent

#A242E6

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2558A1

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

Preview Lab → · Contrast checker → · Palette generator →