#191E7B#191E7B

#191E7B is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.9% C 0.153 H 271.0°. Best body text is #FFFFFF at 13.88:1 contrast (WCAG AA passes).

Color values

HEX	#191E7B
RGB	rgb(25, 30, 123)
HSL	hsl(237, 66%, 29%)
HSV	hsv(237, 80%, 48%)
CMYK	cmyk(79.7%, 75.6%, 0%, 51.8%)
CIE-LAB	lab(18.21, 32.61, -52.77)
CIE-LCH	lch(18.21, 62.04, 301.71°)
OKLab	oklab(30.86% 0.0026 -0.1528)
OKLCH	oklch(30.86% 0.153 271)
XYZ	xyz(4.4391, 2.5648, 18.9962)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191E7B #7B7619

analogous

#194F7B #191E7B #45197B

triadic

#191E7B #7B191E #1E7B19

tetradic

#191E7B #7B194F #7B7619 #197B45

square

#191E7B #7B194F #7B7619 #197B45

split-complementary

#191E7B #7B4519 #4F7B19

monochromatic

#050619 #0F1248 #191E7B #232AAE #3840D7

Accessibility & contrast

On white

13.88

#191E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#191E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191E7B

13.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191E7B	#FFFFFF	#000000	##FFFFFF
##191E7B	1.00	13.88	1.51	13.88
#FFFFFF	13.88	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317E

Deuteranopia (green-blind)

#002879

Tritanopia (blue-blind)

#00394A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #191e7b;
/* rgb */ color: rgb(25, 30, 123);
/* oklch */ color: oklch(30.9% 0.153 271.0);

Tailwind

colors: {
  custom: {
    50: '#685ba2',
    500: '#191e7b',
    950: '#000000',
  },
}

SCSS

$custom: #191e7b;
$custom-light: #685ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#191e7b",
  "rgb": {
    "r": 25,
    "g": 30,
    "b": 123
  },
  "hsl": {
    "h": 236.939,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.30855,
    "c": 0.15282,
    "h": 271
  },
  "luminance": 0.02565
}

Semantic roles & 50–950 ramp

primary

#191E7B

secondary

#AFAA40

accent

#E03FE9

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #191E7B

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

Preview Lab → · Contrast checker → · Palette generator →