#2558AE#2558AE

#2558AE is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.5% C 0.148 H 260.2°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#2558AE
RGB	rgb(37, 88, 174)
HSL	hsl(218, 65%, 41%)
HSV	hsv(218, 79%, 68%)
CMYK	cmyk(78.7%, 49.4%, 0%, 31.8%)
CIE-LAB	lab(38.60, 14.72, -50.78)
CIE-LCH	lch(38.60, 52.87, 286.17°)
OKLab	oklab(47.55% -0.0251 -0.146)
OKLCH	oklch(47.55% 0.148 260.2)
XYZ	xyz(11.8899, 10.4274, 41.4222)
Luminance	0.1043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2558AE #AE7B25

analogous

#259DAE #2558AE #3625AE

triadic

#2558AE #AE2558 #58AE25

tetradic

#2558AE #AE259D #AE7B25 #25AE36

square

#2558AE #AE259D #AE7B25 #25AE36

split-complementary

#2558AE #AE3625 #9DAE25

monochromatic

#102549 #1A3E7C #2558AE #3B74D5 #6D98E0

Accessibility & contrast

On white

6.81

#2558AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#2558AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2558AE

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2558AE	#FFFFFF	#000000	##FFFFFF
##2558AE	1.00	6.81	3.09	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2562B1

Deuteranopia (green-blind)

#0055AC

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2558ae;
/* rgb */ color: rgb(37, 88, 174);
/* oklch */ color: oklch(47.5% 0.148 260.2);

Tailwind

colors: {
  custom: {
    50: '#7586c7',
    500: '#2558ae',
    950: '#000000',
  },
}

SCSS

$custom: #2558ae;
$custom-light: #7586c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2558ae",
  "rgb": {
    "r": 37,
    "g": 88,
    "b": 174
  },
  "hsl": {
    "h": 217.664,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.47545,
    "c": 0.14815,
    "h": 260.2
  },
  "luminance": 0.10429
}

Semantic roles & 50–950 ramp

primary

#2558AE

secondary

#C6A368

accent

#A940E8

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2558AE

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

Preview Lab → · Contrast checker → · Palette generator →