#2145A3#2145A3

#2145A3 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.5% C 0.158 H 264.6°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#2145A3
RGB	rgb(33, 69, 163)
HSL	hsl(223, 66%, 38%)
HSV	hsv(223, 80%, 64%)
CMYK	cmyk(79.8%, 57.7%, 0%, 36.1%)
CIE-LAB	lab(32.31, 22.70, -54.42)
CIE-LCH	lch(32.31, 58.96, 292.64°)
OKLab	oklab(42.47% -0.0149 -0.1571)
OKLCH	oklch(42.47% 0.158 264.6)
XYZ	xyz(9.3638, 7.2228, 35.5439)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2145A3 #A37F21

analogous

#2186A3 #2145A3 #3E21A3

triadic

#2145A3 #A32145 #45A321

tetradic

#2145A3 #A32186 #A37F21 #21A33E

square

#2145A3 #A32186 #A37F21 #21A33E

split-complementary

#2145A3 #A33E21 #86A321

monochromatic

#0C1A3D #172F70 #2145A3 #2D5BD4 #6083DF

Accessibility & contrast

On white

8.59

#2145A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2145A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2145A3

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2145A3	#FFFFFF	#000000	##FFFFFF
##2145A3	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A6

Deuteranopia (green-blind)

#0046A1

Tritanopia (blue-blind)

#005D6D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2145a3;
/* rgb */ color: rgb(33, 69, 163);
/* oklch */ color: oklch(42.5% 0.158 264.6);

Tailwind

colors: {
  custom: {
    50: '#7278bf',
    500: '#2145a3',
    950: '#000000',
  },
}

SCSS

$custom: #2145a3;
$custom-light: #7278bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2145a3",
  "rgb": {
    "r": 33,
    "g": 69,
    "b": 163
  },
  "hsl": {
    "h": 223.385,
    "s": 66.327,
    "l": 38.431
  },
  "oklch": {
    "l": 0.42472,
    "c": 0.15783,
    "h": 264.6
  },
  "luminance": 0.07224
}

Semantic roles & 50–950 ramp

primary

#2145A3

secondary

#C3A75C

accent

#BA3FE9

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2145A3

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

Preview Lab → · Contrast checker → · Palette generator →