#2158AF#2158AF

#2158AF is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.5% C 0.151 H 259.5°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#2158AF
RGB	rgb(33, 88, 175)
HSL	hsl(217, 68%, 41%)
HSV	hsv(217, 81%, 69%)
CMYK	cmyk(81.1%, 49.7%, 0%, 31.4%)
CIE-LAB	lab(38.54, 14.69, -51.47)
CIE-LCH	lch(38.54, 53.52, 285.93°)
OKLab	oklab(47.49% -0.0274 -0.1481)
OKLCH	oklch(47.49% 0.151 259.5)
XYZ	xyz(11.8520, 10.3965, 41.9312)
Luminance	0.1040 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2158AF #AF7821

analogous

#219FAF #2158AF #3121AF

triadic

#2158AF #AF2158 #58AF21

tetradic

#2158AF #AF219F #AF7821 #21AF31

square

#2158AF #AF219F #AF7821 #21AF31

split-complementary

#2158AF #AF3121 #9FAF21

monochromatic

#0E2448 #173E7C #2158AF #3474D9 #6897E3

Accessibility & contrast

On white

6.82

#2158AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#2158AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2158AF

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2158AF	#FFFFFF	#000000	##FFFFFF
##2158AF	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2362B2

Deuteranopia (green-blind)

#0055AD

Tritanopia (blue-blind)

#006D7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2158af;
/* rgb */ color: rgb(33, 88, 175);
/* oklch */ color: oklch(47.5% 0.151 259.5);

Tailwind

colors: {
  custom: {
    50: '#7486c7',
    500: '#2158af',
    950: '#000000',
  },
}

SCSS

$custom: #2158af;
$custom-light: #7486c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2158af",
  "rgb": {
    "r": 33,
    "g": 88,
    "b": 175
  },
  "hsl": {
    "h": 216.761,
    "s": 68.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.47491,
    "c": 0.1506,
    "h": 259.5
  },
  "luminance": 0.10398
}

Semantic roles & 50–950 ramp

primary

#2158AF

secondary

#C8A164

accent

#A83DEB

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2158AF

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

Preview Lab → · Contrast checker → · Palette generator →