#191E4B#191E4B

#191E4B is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.0% C 0.083 H 274.3°. Best body text is #FFFFFF at 15.81:1 contrast (WCAG AA passes).

Color values

HEX	#191E4B
RGB	rgb(25, 30, 75)
HSL	hsl(234, 50%, 20%)
HSV	hsv(234, 67%, 29%)
CMYK	cmyk(66.7%, 60%, 0%, 70.6%)
CIE-LAB	lab(13.49, 13.96, -28.74)
CIE-LCH	lch(13.49, 31.95, 295.91°)
OKLab	oklab(25.97% 0.0063 -0.0824)
OKLCH	oklch(25.97% 0.083 274.3)
XYZ	xyz(2.1348, 1.6431, 6.8599)
Luminance	0.0164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.94

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191E4B #4B4619

analogous

#19374B #191E4B #2D194B

triadic

#191E4B #4B191E #1E4B19

tetradic

#191E4B #4B1937 #4B4619 #194B2D

square

#191E4B #4B1937 #4B4619 #194B2D

split-complementary

#191E4B #4B2D19 #374B19

monochromatic

#080917 #0A0C1D #191E4B #283079 #3843A7

Accessibility & contrast

On white

15.81

#191E4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#191E4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191E4B

15.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191E4B	#FFFFFF	#000000	##FFFFFF
##191E4B	1.00	15.81	1.33	15.81
#FFFFFF	15.81	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02254D

Deuteranopia (green-blind)

#00204A

Tritanopia (blue-blind)

#002931

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #191e4b;
/* rgb */ color: rgb(25, 30, 75);
/* oklch */ color: oklch(26.0% 0.083 274.3);

Tailwind

colors: {
  custom: {
    50: '#5c597e',
    500: '#191e4b',
    950: '#000000',
  },
}

SCSS

$custom: #191e4b;
$custom-light: #5c597e;
$custom-dark: #000000;

JSON

{
  "hex": "#191e4b",
  "rgb": {
    "r": 25,
    "g": 30,
    "b": 75
  },
  "hsl": {
    "h": 234,
    "s": 50,
    "l": 19.608
  },
  "oklch": {
    "l": 0.25966,
    "c": 0.08266,
    "h": 274.3
  },
  "luminance": 0.01643
}

Semantic roles & 50–950 ramp

primary

#191E4B

secondary

#817B3E

accent

#CC4EDA

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #191E4B

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

Preview Lab → · Contrast checker → · Palette generator →