#2158AC#2158AC

#2158AC is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.3% C 0.147 H 259.0°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#2158AC
RGB	rgb(33, 88, 172)
HSL	hsl(216, 68%, 40%)
HSV	hsv(216, 81%, 67%)
CMYK	cmyk(80.8%, 48.8%, 0%, 32.5%)
CIE-LAB	lab(38.34, 13.51, -50.02)
CIE-LCH	lch(38.34, 51.81, 285.11°)
OKLab	oklab(47.27% -0.0279 -0.1438)
OKLCH	oklch(47.27% 0.147 259)
XYZ	xyz(11.5606, 10.2800, 40.3967)
Luminance	0.1028 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2158AC #AC7521

analogous

#219DAC #2158AC #2F21AC

triadic

#2158AC #AC2158 #58AC21

tetradic

#2158AC #AC219D #AC7521 #21AC2F

square

#2158AC #AC219D #AC7521 #21AC2F

split-complementary

#2158AC #AC2F21 #9DAC21

monochromatic

#0D2345 #173E79 #2158AC #3274D8 #6697E2

Accessibility & contrast

On white

6.87

#2158AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#2158AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2158AC

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2158AC	#FFFFFF	#000000	##FFFFFF
##2158AC	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2761AF

Deuteranopia (green-blind)

#0054AA

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2158ac;
/* rgb */ color: rgb(33, 88, 172);
/* oklch */ color: oklch(47.3% 0.147 259.0);

Tailwind

colors: {
  custom: {
    50: '#7386c5',
    500: '#2158ac',
    950: '#000000',
  },
}

SCSS

$custom: #2158ac;
$custom-light: #7386c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2158ac",
  "rgb": {
    "r": 33,
    "g": 88,
    "b": 172
  },
  "hsl": {
    "h": 216.259,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.47269,
    "c": 0.14651,
    "h": 259
  },
  "luminance": 0.10281
}

Semantic roles & 50–950 ramp

primary

#2158AC

secondary

#C79F62

accent

#A63DEB

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #2158AC

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

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