#2153A4#2153A4

#2153A4 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.6% C 0.142 H 259.7°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#2153A4
RGB	rgb(33, 83, 164)
HSL	hsl(217, 66%, 39%)
HSV	hsv(217, 80%, 64%)
CMYK	cmyk(79.9%, 49.4%, 0%, 35.7%)
CIE-LAB	lab(36.35, 13.67, -48.48)
CIE-LCH	lch(36.35, 50.37, 285.74°)
OKLab	oklab(45.56% -0.0252 -0.1394)
OKLCH	oklch(45.56% 0.142 259.7)
XYZ	xyz(10.4189, 9.1890, 36.3393)
Luminance	0.0919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2153A4 #A47221

analogous

#2194A4 #2153A4 #3021A4

triadic

#2153A4 #A42153 #53A421

tetradic

#2153A4 #A42194 #A47221 #21A430

square

#2153A4 #A42194 #A47221 #21A430

split-complementary

#2153A4 #A43021 #94A421

monochromatic

#0C1F3E #173971 #2153A4 #2D6DD5 #6091DF

Accessibility & contrast

On white

7.40

#2153A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#2153A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2153A4

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2153A4	#FFFFFF	#000000	##FFFFFF
##2153A4	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245CA7

Deuteranopia (green-blind)

#0050A2

Tritanopia (blue-blind)

#006673

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2153a4;
/* rgb */ color: rgb(33, 83, 164);
/* oklch */ color: oklch(45.6% 0.142 259.7);

Tailwind

colors: {
  custom: {
    50: '#7182bf',
    500: '#2153a4',
    950: '#000000',
  },
}

SCSS

$custom: #2153a4;
$custom-light: #7182bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2153a4",
  "rgb": {
    "r": 33,
    "g": 83,
    "b": 164
  },
  "hsl": {
    "h": 217.099,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.45563,
    "c": 0.14165,
    "h": 259.7
  },
  "luminance": 0.0919
}

Semantic roles & 50–950 ramp

primary

#2153A4

secondary

#C49D5D

accent

#A83EE9

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2153A4

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

Preview Lab → · Contrast checker → · Palette generator →