#2145B2#2145B2

#2145B2 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.8% C 0.178 H 265.4°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#2145B2
RGB	rgb(33, 69, 178)
HSL	hsl(225, 69%, 41%)
HSV	hsv(225, 81%, 70%)
CMYK	cmyk(81.5%, 61.2%, 0%, 30.2%)
CIE-LAB	lab(33.55, 28.52, -61.36)
CIE-LCH	lch(33.55, 67.67, 294.93°)
OKLab	oklab(43.78% -0.0143 -0.1775)
OKLCH	oklch(43.78% 0.178 265.4)
XYZ	xyz(10.7884, 7.7926, 43.0464)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2145B2 #B28E21

analogous

#218EB2 #2145B2 #4521B2

triadic

#2145B2 #B22145 #45B221

tetradic

#2145B2 #B2218E #B28E21 #21B245

square

#2145B2 #B2218E #B28E21 #21B245

split-complementary

#2145B2 #B24521 #8EB221

monochromatic

#0E1D4B #17317E #2145B2 #365FDA #6A88E3

Accessibility & contrast

On white

8.21

#2145B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#2145B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2145B2

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2145B2	#FFFFFF	#000000	##FFFFFF
##2145B2	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B6

Deuteranopia (green-blind)

#0048B0

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2145b2;
/* rgb */ color: rgb(33, 69, 178);
/* oklch */ color: oklch(43.8% 0.178 265.4);

Tailwind

colors: {
  custom: {
    50: '#7678ca',
    500: '#2145b2',
    950: '#000000',
  },
}

SCSS

$custom: #2145b2;
$custom-light: #7678ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2145b2",
  "rgb": {
    "r": 33,
    "g": 69,
    "b": 178
  },
  "hsl": {
    "h": 225.103,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.43784,
    "c": 0.17809,
    "h": 265.4
  },
  "luminance": 0.07794
}

Semantic roles & 50–950 ramp

primary

#2145B2

secondary

#C9B066

accent

#C03CEC

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2145B2

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

Preview Lab → · Contrast checker → · Palette generator →