#2558BD#2558BD

#2558BD is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.7% C 0.169 H 262.1°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#2558BD
RGB	rgb(37, 88, 189)
HSL	hsl(220, 67%, 44%)
HSV	hsv(220, 80%, 74%)
CMYK	cmyk(80.4%, 53.4%, 0%, 25.9%)
CIE-LAB	lab(39.66, 20.56, -57.88)
CIE-LCH	lch(39.66, 61.43, 289.55°)
OKLab	oklab(48.69% -0.0233 -0.1669)
OKLCH	oklch(48.69% 0.169 262.1)
XYZ	xyz(13.4347, 11.0453, 49.5581)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2558BD #BD8A25

analogous

#25A4BD #2558BD #3E25BD

triadic

#2558BD #BD2558 #58BD25

tetradic

#2558BD #BD25A4 #BD8A25 #25BD3E

square

#2558BD #BD25A4 #BD8A25 #25BD3E

split-complementary

#2558BD #BD3E25 #A4BD25

monochromatic

#112857 #1B408A #2558BD #4577DB #789CE5

Accessibility & contrast

On white

6.54

#2558BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#2558BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2558BD

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2558BD	#FFFFFF	#000000	##FFFFFF
##2558BD	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0465C1

Deuteranopia (green-blind)

#0057BB

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2558bd;
/* rgb */ color: rgb(37, 88, 189);
/* oklch */ color: oklch(48.7% 0.169 262.1);

Tailwind

colors: {
  custom: {
    50: '#7886d2',
    500: '#2558bd',
    950: '#000000',
  },
}

SCSS

$custom: #2558bd;
$custom-light: #7886d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2558bd",
  "rgb": {
    "r": 37,
    "g": 88,
    "b": 189
  },
  "hsl": {
    "h": 219.868,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48689,
    "c": 0.16852,
    "h": 262.1
  },
  "luminance": 0.11047
}

Semantic roles & 50–950 ramp

primary

#2558BD

secondary

#CCAE72

accent

#B03EEA

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #2558BD

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

Preview Lab → · Contrast checker → · Palette generator →