#2558E2#2558E2

#2558E2 is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 51.8% C 0.217 H 264.4°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#2558E2
RGB	rgb(37, 88, 226)
HSL	hsl(224, 77%, 52%)
HSV	hsv(224, 84%, 89%)
CMYK	cmyk(83.6%, 61.1%, 0%, 11.4%)
CIE-LAB	lab(42.55, 34.61, -74.47)
CIE-LCH	lch(42.55, 82.12, 294.93°)
OKLab	oklab(51.77% -0.0213 -0.2156)
OKLCH	oklch(51.77% 0.217 264.4)
XYZ	xyz(17.9753, 12.8615, 73.4719)
Luminance	0.1286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2558E2 #E2AF25

analogous

#25B6E2 #2558E2 #5125E2

triadic

#2558E2 #E22558 #58E225

tetradic

#2558E2 #E225B6 #E2AF25 #25E251

square

#2558E2 #E225B6 #E2AF25 #25E251

split-complementary

#2558E2 #E25125 #B6E225

monochromatic

#112E7C #1841B2 #2558E2 #5B81E9 #91ABF0

Accessibility & contrast

On white

5.88

#2558E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#2558E2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2558E2

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2558E2	#FFFFFF	#000000	##FFFFFF
##2558E2	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE7

Deuteranopia (green-blind)

#005CDF

Tritanopia (blue-blind)

#007C95

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2558e2;
/* rgb */ color: rgb(37, 88, 226);
/* oklch */ color: oklch(51.8% 0.217 264.4);

Tailwind

colors: {
  custom: {
    50: '#8286ec',
    500: '#2558e2',
    950: '#000000',
  },
}

SCSS

$custom: #2558e2;
$custom-light: #8286ec;
$custom-dark: #000000;

JSON

{
  "hex": "#2558e2",
  "rgb": {
    "r": 37,
    "g": 88,
    "b": 226
  },
  "hsl": {
    "h": 223.81,
    "s": 76.518,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5177,
    "c": 0.21664,
    "h": 264.4
  },
  "luminance": 0.12864
}

Semantic roles & 50–950 ramp

primary

#2558E2

secondary

#DBC588

accent

#C035F3

background

#F8F8FE

surface

#F0EFFD

border

#CBCAD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #2558E2

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

Preview Lab → · Contrast checker → · Palette generator →