#2458B0#2458B0

#2458B0 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.7% C 0.151 H 260.3°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#2458B0
RGB	rgb(36, 88, 176)
HSL	hsl(218, 66%, 42%)
HSV	hsv(218, 80%, 69%)
CMYK	cmyk(79.5%, 50%, 0%, 31%)
CIE-LAB	lab(38.70, 15.39, -51.80)
CIE-LCH	lch(38.70, 54.03, 286.55°)
OKLab	oklab(47.66% -0.0255 -0.149)
OKLCH	oklch(47.66% 0.151 260.3)
XYZ	xyz(12.0509, 10.4877, 42.4551)
Luminance	0.1049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2458B0 #B07C24

analogous

#249EB0 #2458B0 #3624B0

triadic

#2458B0 #B02458 #58B024

tetradic

#2458B0 #B0249E #B07C24 #24B036

square

#2458B0 #B0249E #B07C24 #24B036

split-complementary

#2458B0 #B03624 #9EB024

monochromatic

#0F254A #1A3F7D #2458B0 #3A74D7 #6D98E1

Accessibility & contrast

On white

6.78

#2458B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2458B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2458B0

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2458B0	#FFFFFF	#000000	##FFFFFF
##2458B0	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2362B3

Deuteranopia (green-blind)

#0055AE

Tritanopia (blue-blind)

#006D7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2458b0;
/* rgb */ color: rgb(36, 88, 176);
/* oklch */ color: oklch(47.7% 0.151 260.3);

Tailwind

colors: {
  custom: {
    50: '#7586c8',
    500: '#2458b0',
    950: '#000000',
  },
}

SCSS

$custom: #2458b0;
$custom-light: #7586c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2458b0",
  "rgb": {
    "r": 36,
    "g": 88,
    "b": 176
  },
  "hsl": {
    "h": 217.714,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.47661,
    "c": 0.15117,
    "h": 260.3
  },
  "luminance": 0.10489
}

Semantic roles & 50–950 ramp

primary

#2458B0

secondary

#C8A468

accent

#AA3FE9

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2458B0

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

Preview Lab → · Contrast checker → · Palette generator →