#191A5B#191A5B

#191A5B is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.7% C 0.113 H 274.9°. Best body text is #FFFFFF at 15.67:1 contrast (WCAG AA passes).

Color values

HEX	#191A5B
RGB	rgb(25, 26, 91)
HSL	hsl(239, 57%, 23%)
HSV	hsv(239, 73%, 36%)
CMYK	cmyk(72.5%, 71.4%, 0%, 64.3%)
CIE-LAB	lab(13.83, 23.19, -39.05)
CIE-LCH	lch(13.83, 45.42, 300.70°)
OKLab	oklab(26.67% 0.0097 -0.1127)
OKLCH	oklch(26.67% 0.113 274.9)
XYZ	xyz(2.6580, 1.7006, 10.0837)
Luminance	0.0170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191A5B #5B5A19

analogous

#193B5B #191A5B #39195B

triadic

#191A5B #5B191A #1A5B19

tetradic

#191A5B #5B193B #5B5A19 #195B39

square

#191A5B #5B193B #5B5A19 #195B39

split-complementary

#191A5B #5B3919 #3B5B19

monochromatic

#070718 #0C0C2B #191A5B #26288B #3335BB

Accessibility & contrast

On white

15.67

#191A5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#191A5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191A5B

15.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191A5B	#FFFFFF	#000000	##FFFFFF
##191A5B	1.00	15.67	1.34	15.67
#FFFFFF	15.67	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265D

Deuteranopia (green-blind)

#00205A

Tritanopia (blue-blind)

#002B38

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #191a5b;
/* rgb */ color: rgb(25, 26, 91);
/* oklch */ color: oklch(26.7% 0.113 274.9);

Tailwind

colors: {
  custom: {
    50: '#60568a',
    500: '#191a5b',
    950: '#000000',
  },
}

SCSS

$custom: #191a5b;
$custom-light: #60568a;
$custom-dark: #000000;

JSON

{
  "hex": "#191a5b",
  "rgb": {
    "r": 25,
    "g": 26,
    "b": 91
  },
  "hsl": {
    "h": 239.091,
    "s": 56.897,
    "l": 22.745
  },
  "oklch": {
    "l": 0.26673,
    "c": 0.11316,
    "h": 274.9
  },
  "luminance": 0.01701
}

Semantic roles & 50–950 ramp

primary

#191A5B

secondary

#91903F

accent

#DE48E0

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #191A5B

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

Preview Lab → · Contrast checker → · Palette generator →