#2458BB#2458BB

#2458BB is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.5% C 0.166 H 261.7°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#2458BB
RGB	rgb(36, 88, 187)
HSL	hsl(219, 68%, 44%)
HSV	hsv(219, 81%, 73%)
CMYK	cmyk(80.7%, 52.9%, 0%, 26.7%)
CIE-LAB	lab(39.48, 19.68, -57.00)
CIE-LCH	lch(39.48, 60.30, 289.05°)
OKLab	oklab(48.5% -0.0241 -0.1643)
OKLCH	oklch(48.5% 0.166 261.7)
XYZ	xyz(13.1837, 10.9408, 48.4210)
Luminance	0.1094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2458BB #BB8724

analogous

#24A3BB #2458BB #3B24BB

triadic

#2458BB #BB2458 #58BB24

tetradic

#2458BB #BB24A3 #BB8724 #24BB3B

square

#2458BB #BB24A3 #BB8724 #24BB3B

split-complementary

#2458BB #BB3B24 #A3BB24

monochromatic

#102854 #1A4088 #2458BB #4276DB #759BE4

Accessibility & contrast

On white

6.59

#2458BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#2458BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2458BB

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2458BB	#FFFFFF	#000000	##FFFFFF
##2458BB	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C64BF

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2458bb;
/* rgb */ color: rgb(36, 88, 187);
/* oklch */ color: oklch(48.5% 0.166 261.7);

Tailwind

colors: {
  custom: {
    50: '#7886d0',
    500: '#2458bb',
    950: '#000000',
  },
}

SCSS

$custom: #2458bb;
$custom-light: #7886d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2458bb",
  "rgb": {
    "r": 36,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 219.338,
    "s": 67.713,
    "l": 43.725
  },
  "oklch": {
    "l": 0.485,
    "c": 0.16609,
    "h": 261.7
  },
  "luminance": 0.10942
}

Semantic roles & 50–950 ramp

primary

#2458BB

secondary

#CCAC6F

accent

#AF3DEB

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2458BB

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

Preview Lab → · Contrast checker → · Palette generator →