#2458A4#2458A4

#2458A4 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.8% C 0.135 H 258.3°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#2458A4
RGB	rgb(36, 88, 164)
HSL	hsl(216, 64%, 39%)
HSV	hsv(216, 78%, 64%)
CMYK	cmyk(78%, 46.3%, 0%, 35.7%)
CIE-LAB	lab(37.90, 10.70, -45.97)
CIE-LCH	lch(37.90, 47.20, 283.10°)
OKLab	oklab(46.79% -0.0274 -0.1319)
OKLCH	oklch(46.79% 0.135 258.3)
XYZ	xyz(10.9157, 10.0336, 36.4761)
Luminance	0.1003 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2458A4 #A47024

analogous

#2498A4 #2458A4 #3024A4

triadic

#2458A4 #A42458 #58A424

tetradic

#2458A4 #A42498 #A47024 #24A430

square

#2458A4 #A42498 #A47024 #24A430

split-complementary

#2458A4 #A43024 #98A424

monochromatic

#0E2240 #193D72 #2458A4 #3374D2 #6596DD

Accessibility & contrast

On white

6.98

#2458A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#2458A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2458A4

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2458A4	#FFFFFF	#000000	##FFFFFF
##2458A4	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305FA7

Deuteranopia (green-blind)

#1254A2

Tritanopia (blue-blind)

#006A76

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2458a4;
/* rgb */ color: rgb(36, 88, 164);
/* oklch */ color: oklch(46.8% 0.135 258.3);

Tailwind

colors: {
  custom: {
    50: '#7286bf',
    500: '#2458a4',
    950: '#000000',
  },
}

SCSS

$custom: #2458a4;
$custom-light: #7286bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2458a4",
  "rgb": {
    "r": 36,
    "g": 88,
    "b": 164
  },
  "hsl": {
    "h": 215.625,
    "s": 64,
    "l": 39.216
  },
  "oklch": {
    "l": 0.46788,
    "c": 0.13468,
    "h": 258.3
  },
  "luminance": 0.10035
}

Semantic roles & 50–950 ramp

primary

#2458A4

secondary

#C39B61

accent

#A341E7

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2458A4

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

Preview Lab → · Contrast checker → · Palette generator →