#191E5B#191E5B

#191E5B is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.5% C 0.108 H 273.3°. Best body text is #FFFFFF at 15.24:1 contrast (WCAG AA passes).

Color values

HEX	#191E5B
RGB	rgb(25, 30, 91)
HSL	hsl(235, 57%, 23%)
HSV	hsv(235, 73%, 36%)
CMYK	cmyk(72.5%, 67%, 0%, 64.3%)
CIE-LAB	lab(14.90, 20.36, -37.30)
CIE-LCH	lch(14.90, 42.50, 298.62°)
OKLab	oklab(27.46% 0.0063 -0.1076)
OKLCH	oklch(27.46% 0.108 273.3)
XYZ	xyz(2.7529, 1.8903, 10.1153)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191E5B #5B5619

analogous

#193F5B #191E5B #35195B

triadic

#191E5B #5B191E #1E5B19

tetradic

#191E5B #5B193F #5B5619 #195B35

square

#191E5B #5B193F #5B5619 #195B35

split-complementary

#191E5B #5B3519 #3F5B19

monochromatic

#070818 #0C0E2B #191E5B #262E8B #333EBB

Accessibility & contrast

On white

15.24

#191E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#191E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191E5B

15.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191E5B	#FFFFFF	#000000	##FFFFFF
##191E5B	1.00	15.24	1.38	15.24
#FFFFFF	15.24	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295D

Deuteranopia (green-blind)

#00235A

Tritanopia (blue-blind)

#002D39

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #191e5b;
/* rgb */ color: rgb(25, 30, 91);
/* oklch */ color: oklch(27.5% 0.108 273.3);

Tailwind

colors: {
  custom: {
    50: '#60598a',
    500: '#191e5b',
    950: '#000000',
  },
}

SCSS

$custom: #191e5b;
$custom-light: #60598a;
$custom-dark: #000000;

JSON

{
  "hex": "#191e5b",
  "rgb": {
    "r": 25,
    "g": 30,
    "b": 91
  },
  "hsl": {
    "h": 235.455,
    "s": 56.897,
    "l": 22.745
  },
  "oklch": {
    "l": 0.27456,
    "c": 0.10778,
    "h": 273.3
  },
  "luminance": 0.01891
}

Semantic roles & 50–950 ramp

primary

#191E5B

secondary

#918B3F

accent

#D548E0

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #191E5B

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

Preview Lab → · Contrast checker → · Palette generator →