#191D7B#191D7B

#191D7B is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.154 H 271.1°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#191D7B
RGB	rgb(25, 29, 123)
HSL	hsl(238, 66%, 29%)
HSV	hsv(238, 80%, 48%)
CMYK	cmyk(79.7%, 76.4%, 0%, 51.8%)
CIE-LAB	lab(17.99, 33.23, -53.14)
CIE-LCH	lch(17.99, 62.68, 302.02°)
OKLab	oklab(30.7% 0.003 -0.1539)
OKLCH	oklch(30.7% 0.154 271.1)
XYZ	xyz(4.4142, 2.5150, 18.9878)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D7B #7B7719

analogous

#194E7B #191D7B #46197B

triadic

#191D7B #7B191D #1D7B19

tetradic

#191D7B #7B194E #7B7719 #197B46

square

#191D7B #7B194E #7B7719 #197B46

split-complementary

#191D7B #7B4619 #4E7B19

monochromatic

#050619 #0F1148 #191D7B #2329AE #383ED7

Accessibility & contrast

On white

13.97

#191D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#191D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D7B

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D7B	#FFFFFF	#000000	##FFFFFF
##191D7B	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317E

Deuteranopia (green-blind)

#002779

Tritanopia (blue-blind)

#00384A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #191d7b;
/* rgb */ color: rgb(25, 29, 123);
/* oklch */ color: oklch(30.7% 0.154 271.1);

Tailwind

colors: {
  custom: {
    50: '#685aa2',
    500: '#191d7b',
    950: '#000000',
  },
}

SCSS

$custom: #191d7b;
$custom-light: #685aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#191d7b",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 123
  },
  "hsl": {
    "h": 237.551,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.30696,
    "c": 0.15389,
    "h": 271.1
  },
  "luminance": 0.02515
}

Semantic roles & 50–950 ramp

primary

#191D7B

secondary

#AFAB40

accent

#E23FE9

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #191D7B

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

Preview Lab → · Contrast checker → · Palette generator →