#1939B4#1939B4

#1939B4 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.5% C 0.197 H 265.9°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#1939B4
RGB	rgb(25, 57, 180)
HSL	hsl(228, 76%, 40%)
HSV	hsv(228, 86%, 71%)
CMYK	cmyk(86.1%, 68.3%, 0%, 29.4%)
CIE-LAB	lab(30.46, 36.54, -67.62)
CIE-LCH	lch(30.46, 76.86, 298.39°)
OKLab	oklab(41.49% -0.0142 -0.196)
OKLCH	oklch(41.49% 0.197 265.9)
XYZ	xyz(10.0994, 6.4269, 43.8794)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1939B4 #B49419

analogous

#1986B4 #1939B4 #4719B4

triadic

#1939B4 #B41939 #39B419

tetradic

#1939B4 #B41986 #B49419 #19B447

square

#1939B4 #B41986 #B49419 #19B447

split-complementary

#1939B4 #B44719 #86B419

monochromatic

#0A1749 #12287E #1939B4 #294FE1 #5F7BE9

Accessibility & contrast

On white

9.19

#1939B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1939B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1939B4

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1939B4	#FFFFFF	#000000	##FFFFFF
##1939B4	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB8

Deuteranopia (green-blind)

#0040B2

Tritanopia (blue-blind)

#005B72

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1939b4;
/* rgb */ color: rgb(25, 57, 180);
/* oklch */ color: oklch(41.5% 0.197 265.9);

Tailwind

colors: {
  custom: {
    50: '#756fcc',
    500: '#1939b4',
    950: '#000000',
  },
}

SCSS

$custom: #1939b4;
$custom-light: #756fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#1939b4",
  "rgb": {
    "r": 25,
    "g": 57,
    "b": 180
  },
  "hsl": {
    "h": 227.613,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.41494,
    "c": 0.19653,
    "h": 265.9
  },
  "luminance": 0.06428
}

Semantic roles & 50–950 ramp

primary

#1939B4

secondary

#CDB65C

accent

#CB36F2

background

#F7F6FC

surface

#EEECF9

border

#C9C7D2

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #1939B4

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

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