#2458B1#2458B1

#2458B1 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.7% C 0.153 H 260.4°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#2458B1
RGB	rgb(36, 88, 177)
HSL	hsl(218, 66%, 42%)
HSV	hsv(218, 80%, 69%)
CMYK	cmyk(79.7%, 50.3%, 0%, 30.6%)
CIE-LAB	lab(38.77, 15.79, -52.27)
CIE-LCH	lch(38.77, 54.61, 286.80°)
OKLab	oklab(47.74% -0.0253 -0.1504)
OKLCH	oklch(47.74% 0.153 260.4)
XYZ	xyz(12.1502, 10.5274, 42.9781)
Luminance	0.1053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2458B1 #B17D24

analogous

#249FB1 #2458B1 #3624B1

triadic

#2458B1 #B12458 #58B124

tetradic

#2458B1 #B1249F #B17D24 #24B136

square

#2458B1 #B1249F #B17D24 #24B136

split-complementary

#2458B1 #B13624 #9FB124

monochromatic

#0F254B #1A3F7E #2458B1 #3B75D7 #6E99E1

Accessibility & contrast

On white

6.76

#2458B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#2458B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2458B1

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2458B1	#FFFFFF	#000000	##FFFFFF
##2458B1	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2162B4

Deuteranopia (green-blind)

#0055AF

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2458b1;
/* rgb */ color: rgb(36, 88, 177);
/* oklch */ color: oklch(47.7% 0.153 260.4);

Tailwind

colors: {
  custom: {
    50: '#7586c9',
    500: '#2458b1',
    950: '#000000',
  },
}

SCSS

$custom: #2458b1;
$custom-light: #7586c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2458b1",
  "rgb": {
    "r": 36,
    "g": 88,
    "b": 177
  },
  "hsl": {
    "h": 217.872,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.47735,
    "c": 0.15254,
    "h": 260.4
  },
  "luminance": 0.10529
}

Semantic roles & 50–950 ramp

primary

#2458B1

secondary

#C8A569

accent

#AA3FE9

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2458B1

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

Preview Lab → · Contrast checker → · Palette generator →