#2558BE#2558BE

#2558BE is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.8% C 0.170 H 262.2°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#2558BE
RGB	rgb(37, 88, 190)
HSL	hsl(220, 67%, 45%)
HSV	hsv(220, 81%, 75%)
CMYK	cmyk(80.5%, 53.7%, 0%, 25.5%)
CIE-LAB	lab(39.73, 20.94, -58.35)
CIE-LCH	lch(39.73, 61.99, 289.74°)
OKLab	oklab(48.77% -0.0232 -0.1683)
OKLCH	oklch(48.77% 0.17 262.2)
XYZ	xyz(13.5436, 11.0888, 50.1318)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2558BE #BE8B25

analogous

#25A5BE #2558BE #3F25BE

triadic

#2558BE #BE2558 #58BE25

tetradic

#2558BE #BE25A5 #BE8B25 #25BE3F

square

#2558BE #BE25A5 #BE8B25 #25BE3F

split-complementary

#2558BE #BE3F25 #A5BE25

monochromatic

#112958 #1B408B #2558BE #4577DB #799DE5

Accessibility & contrast

On white

6.53

#2558BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#2558BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2558BE

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2558BE	#FFFFFF	#000000	##FFFFFF
##2558BE	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C2

Deuteranopia (green-blind)

#0057BC

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2558be;
/* rgb */ color: rgb(37, 88, 190);
/* oklch */ color: oklch(48.8% 0.170 262.2);

Tailwind

colors: {
  custom: {
    50: '#7986d2',
    500: '#2558be',
    950: '#000000',
  },
}

SCSS

$custom: #2558be;
$custom-light: #7986d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2558be",
  "rgb": {
    "r": 37,
    "g": 88,
    "b": 190
  },
  "hsl": {
    "h": 220,
    "s": 67.401,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48767,
    "c": 0.16987,
    "h": 262.2
  },
  "luminance": 0.1109
}

Semantic roles & 50–950 ramp

primary

#2558BE

secondary

#CDAE72

accent

#B13EEA

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #2558BE

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

Preview Lab → · Contrast checker → · Palette generator →