#1930B4#1930B4

#1930B4 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.0% C 0.206 H 266.9°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#1930B4
RGB	rgb(25, 48, 180)
HSL	hsl(231, 76%, 40%)
HSV	hsv(231, 86%, 71%)
CMYK	cmyk(86.1%, 73.3%, 0%, 29.4%)
CIE-LAB	lab(28.42, 42.14, -70.99)
CIE-LCH	lch(28.42, 82.56, 300.69°)
OKLab	oklab(40.01% -0.0112 -0.2058)
OKLCH	oklch(40.01% 0.206 266.9)
XYZ	xyz(9.6932, 5.6147, 43.7440)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.09

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1930B4 #B49D19

analogous

#197DB4 #1930B4 #5019B4

triadic

#1930B4 #B41930 #30B419

tetradic

#1930B4 #B4197D #B49D19 #19B450

square

#1930B4 #B4197D #B49D19 #19B450

split-complementary

#1930B4 #B45019 #7DB419

monochromatic

#0A1349 #12227E #1930B4 #2944E1 #5F73E9

Accessibility & contrast

On white

9.89

#1930B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1930B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1930B4

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1930B4	#FFFFFF	#000000	##FFFFFF
##1930B4	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB8

Deuteranopia (green-blind)

#003BB2

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1930b4;
/* rgb */ color: rgb(25, 48, 180);
/* oklch */ color: oklch(40.0% 0.206 266.9);

Tailwind

colors: {
  custom: {
    50: '#7669cc',
    500: '#1930b4',
    950: '#000000',
  },
}

SCSS

$custom: #1930b4;
$custom-light: #7669cc;
$custom-dark: #000000;

JSON

{
  "hex": "#1930b4",
  "rgb": {
    "r": 25,
    "g": 48,
    "b": 180
  },
  "hsl": {
    "h": 231.097,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.40013,
    "c": 0.20615,
    "h": 266.9
  },
  "luminance": 0.05616
}

Semantic roles & 50–950 ramp

primary

#1930B4

secondary

#CDBC5C

accent

#D636F2

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0614

muted

#7C7A82

Preview Lab

Preview with #1930B4

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

Preview Lab → · Contrast checker → · Palette generator →