#1945B3#1945B3

#1945B3 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.6% C 0.181 H 263.8°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#1945B3
RGB	rgb(25, 69, 179)
HSL	hsl(223, 75%, 40%)
HSV	hsv(223, 86%, 70%)
CMYK	cmyk(86%, 61.5%, 0%, 29.8%)
CIE-LAB	lab(33.38, 28.28, -62.23)
CIE-LCH	lch(33.38, 68.36, 294.44°)
OKLab	oklab(43.62% -0.0196 -0.1802)
OKLCH	oklch(43.62% 0.181 263.8)
XYZ	xyz(10.6628, 7.7162, 43.5665)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1945B3 #B38719

analogous

#1992B3 #1945B3 #3A19B3

triadic

#1945B3 #B31945 #45B319

tetradic

#1945B3 #B31992 #B38719 #19B33A

square

#1945B3 #B31992 #B38719 #19B33A

split-complementary

#1945B3 #B33A19 #92B319

monochromatic

#0A1C48 #12307D #1945B3 #285DE1 #5E86E8

Accessibility & contrast

On white

8.26

#1945B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1945B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1945B3

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1945B3	#FFFFFF	#000000	##FFFFFF
##1945B3	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B7

Deuteranopia (green-blind)

#0048B1

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1945b3;
/* rgb */ color: rgb(25, 69, 179);
/* oklch */ color: oklch(43.6% 0.181 263.8);

Tailwind

colors: {
  custom: {
    50: '#7478cb',
    500: '#1945b3',
    950: '#000000',
  },
}

SCSS

$custom: #1945b3;
$custom-light: #7478cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1945b3",
  "rgb": {
    "r": 25,
    "g": 69,
    "b": 179
  },
  "hsl": {
    "h": 222.857,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.43619,
    "c": 0.18123,
    "h": 263.8
  },
  "luminance": 0.07718
}

Semantic roles & 50–950 ramp

primary

#1945B3

secondary

#CCAC5B

accent

#BC36F2

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1945B3

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

Preview Lab → · Contrast checker → · Palette generator →