#191B70#191B70

#191B70 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.1% C 0.141 H 272.4°. Best body text is #FFFFFF at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#191B70
RGB	rgb(25, 27, 112)
HSL	hsl(239, 64%, 27%)
HSV	hsv(239, 78%, 44%)
CMYK	cmyk(77.7%, 75.9%, 0%, 56.1%)
CIE-LAB	lab(16.31, 30.46, -48.84)
CIE-LCH	lch(16.31, 57.56, 301.95°)
OKLab	oklab(29.13% 0.0059 -0.1413)
OKLCH	oklch(29.13% 0.141 272.4)
XYZ	xyz(3.7165, 2.1600, 15.5471)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191B70 #706E19

analogous

#194770 #191B70 #431970

triadic

#191B70 #70191B #1B7019

tetradic

#191B70 #701947 #706E19 #197043

square

#191B70 #701947 #706E19 #197043

split-complementary

#191B70 #704319 #477019

monochromatic

#060619 #0E0F3E #191B70 #2427A2 #3236D1

Accessibility & contrast

On white

14.66

#191B70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#191B70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B70

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191B70	#FFFFFF	#000000	##FFFFFF
##191B70	1.00	14.66	1.43	14.66
#FFFFFF	14.66	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D73

Deuteranopia (green-blind)

#00246E

Tritanopia (blue-blind)

#003343

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #191b70;
/* rgb */ color: rgb(25, 27, 112);
/* oklch */ color: oklch(29.1% 0.141 272.4);

Tailwind

colors: {
  custom: {
    50: '#66589a',
    500: '#191b70',
    950: '#000000',
  },
}

SCSS

$custom: #191b70;
$custom-light: #66589a;
$custom-dark: #000000;

JSON

{
  "hex": "#191b70",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 112
  },
  "hsl": {
    "h": 238.621,
    "s": 63.504,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29131,
    "c": 0.14144,
    "h": 272.4
  },
  "luminance": 0.0216
}

Semantic roles & 50–950 ramp

primary

#191B70

secondary

#A5A340

accent

#E341E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #191B70

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

Preview Lab → · Contrast checker → · Palette generator →