#191D71#191D71

#191D71 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.6% C 0.141 H 271.9°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#191D71
RGB	rgb(25, 29, 113)
HSL	hsl(237, 64%, 27%)
HSV	hsv(237, 78%, 44%)
CMYK	cmyk(77.9%, 74.3%, 0%, 55.7%)
CIE-LAB	lab(16.88, 29.54, -48.54)
CIE-LCH	lch(16.88, 56.82, 301.33°)
OKLab	oklab(29.58% 0.0046 -0.1405)
OKLCH	oklch(29.58% 0.141 271.9)
XYZ	xyz(3.8199, 2.2773, 15.8578)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D71 #716D19

analogous

#194971 #191D71 #411971

triadic

#191D71 #71191D #1D7119

tetradic

#191D71 #711949 #716D19 #197141

square

#191D71 #711949 #716D19 #197141

split-complementary

#191D71 #714119 #497119

monochromatic

#060619 #0E103F #191D71 #242AA3 #333AD2

Accessibility & contrast

On white

14.43

#191D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#191D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D71

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D71	#FFFFFF	#000000	##FFFFFF
##191D71	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E74

Deuteranopia (green-blind)

#00256F

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #191d71;
/* rgb */ color: rgb(25, 29, 113);
/* oklch */ color: oklch(29.6% 0.141 271.9);

Tailwind

colors: {
  custom: {
    50: '#66599b',
    500: '#191d71',
    950: '#000000',
  },
}

SCSS

$custom: #191d71;
$custom-light: #66599b;
$custom-dark: #000000;

JSON

{
  "hex": "#191d71",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 113
  },
  "hsl": {
    "h": 237.273,
    "s": 63.768,
    "l": 27.059
  },
  "oklch": {
    "l": 0.29575,
    "c": 0.14054,
    "h": 271.9
  },
  "luminance": 0.02278
}

Semantic roles & 50–950 ramp

primary

#191D71

secondary

#A6A240

accent

#DF41E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #191D71

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

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