#2153A8#2153A8

#2153A8 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.9% C 0.147 H 260.4°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#2153A8
RGB	rgb(33, 83, 168)
HSL	hsl(218, 67%, 39%)
HSV	hsv(218, 80%, 66%)
CMYK	cmyk(80.4%, 50.6%, 0%, 34.1%)
CIE-LAB	lab(36.62, 15.25, -50.42)
CIE-LCH	lch(36.62, 52.67, 286.83°)
OKLab	oklab(45.86% -0.0246 -0.1451)
OKLCH	oklch(45.86% 0.147 260.4)
XYZ	xyz(10.7858, 9.3357, 38.2717)
Luminance	0.0934 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2153A8 #A87621

analogous

#2197A8 #2153A8 #3321A8

triadic

#2153A8 #A82153 #53A821

tetradic

#2153A8 #A82197 #A87621 #21A833

square

#2153A8 #A82197 #A87621 #21A833

split-complementary

#2153A8 #A83321 #97A821

monochromatic

#0D2042 #173A75 #2153A8 #306ED6 #6391E0

Accessibility & contrast

On white

7.32

#2153A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#2153A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2153A8

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2153A8	#FFFFFF	#000000	##FFFFFF
##2153A8	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E5DAB

Deuteranopia (green-blind)

#0050A6

Tritanopia (blue-blind)

#006875

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2153a8;
/* rgb */ color: rgb(33, 83, 168);
/* oklch */ color: oklch(45.9% 0.147 260.4);

Tailwind

colors: {
  custom: {
    50: '#7282c2',
    500: '#2153a8',
    950: '#000000',
  },
}

SCSS

$custom: #2153a8;
$custom-light: #7282c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2153a8",
  "rgb": {
    "r": 33,
    "g": 83,
    "b": 168
  },
  "hsl": {
    "h": 217.778,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.45864,
    "c": 0.14718,
    "h": 260.4
  },
  "luminance": 0.09337
}

Semantic roles & 50–950 ramp

primary

#2153A8

secondary

#C5A05F

accent

#AA3EEA

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2153A8

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

Preview Lab → · Contrast checker → · Palette generator →