#2158A8#2158A8

#2158A8 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.0% C 0.141 H 258.3°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#2158A8
RGB	rgb(33, 88, 168)
HSL	hsl(216, 67%, 39%)
HSV	hsv(216, 80%, 66%)
CMYK	cmyk(80.4%, 47.6%, 0%, 34.1%)
CIE-LAB	lab(38.07, 11.93, -48.08)
CIE-LCH	lch(38.07, 49.54, 283.94°)
OKLab	oklab(46.98% -0.0286 -0.1381)
OKLCH	oklch(46.98% 0.141 258.3)
XYZ	xyz(11.1822, 10.1286, 38.4039)
Luminance	0.1013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2158A8 #A87121

analogous

#219BA8 #2158A8 #2E21A8

triadic

#2158A8 #A82158 #58A821

tetradic

#2158A8 #A8219B #A87121 #21A82E

square

#2158A8 #A8219B #A87121 #21A82E

split-complementary

#2158A8 #A82E21 #9BA821

monochromatic

#0D2242 #173D75 #2158A8 #3074D6 #6396E0

Accessibility & contrast

On white

6.94

#2158A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2158A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2158A8

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2158A8	#FFFFFF	#000000	##FFFFFF
##2158A8	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C60AB

Deuteranopia (green-blind)

#0154A6

Tritanopia (blue-blind)

#006B78

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2158a8;
/* rgb */ color: rgb(33, 88, 168);
/* oklch */ color: oklch(47.0% 0.141 258.3);

Tailwind

colors: {
  custom: {
    50: '#7286c2',
    500: '#2158a8',
    950: '#000000',
  },
}

SCSS

$custom: #2158a8;
$custom-light: #7286c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2158a8",
  "rgb": {
    "r": 33,
    "g": 88,
    "b": 168
  },
  "hsl": {
    "h": 215.556,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.46977,
    "c": 0.14104,
    "h": 258.3
  },
  "luminance": 0.1013
}

Semantic roles & 50–950 ramp

primary

#2158A8

secondary

#C59C5F

accent

#A43EEA

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2158A8

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

Preview Lab → · Contrast checker → · Palette generator →