#191D8E#191D8E

#191D8E is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.9% C 0.178 H 269.9°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#191D8E
RGB	rgb(25, 29, 142)
HSL	hsl(238, 70%, 33%)
HSV	hsv(238, 82%, 56%)
CMYK	cmyk(82.4%, 79.6%, 0%, 44.3%)
CIE-LAB	lab(20.19, 39.94, -61.47)
CIE-LCH	lch(20.19, 73.31, 303.02°)
OKLab	oklab(32.91% -0.0004 -0.178)
OKLCH	oklch(32.91% 0.178 269.9)
XYZ	xyz(5.7211, 3.0377, 25.8708)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D8E #8E8A19

analogous

#19578E #191D8E #50198E

triadic

#191D8E #8E191D #1D8E19

tetradic

#191D8E #8E1957 #8E8A19 #198E50

square

#191D8E #8E1957 #8E8A19 #198E50

split-complementary

#191D8E #8E5019 #578E19

monochromatic

#070826 #10125A #191D8E #2228C2 #4349DE

Accessibility & contrast

On white

13.06

#191D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#191D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D8E

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D8E	#FFFFFF	#000000	##FFFFFF
##191D8E	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003791

Deuteranopia (green-blind)

#002B8C

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #191d8e;
/* rgb */ color: rgb(25, 29, 142);
/* oklch */ color: oklch(32.9% 0.178 269.9);

Tailwind

colors: {
  custom: {
    50: '#6e5bb0',
    500: '#191d8e',
    950: '#000000',
  },
}

SCSS

$custom: #191d8e;
$custom-light: #6e5bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#191d8e",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 142
  },
  "hsl": {
    "h": 237.949,
    "s": 70.06,
    "l": 32.745
  },
  "oklch": {
    "l": 0.32908,
    "c": 0.17804,
    "h": 269.9
  },
  "luminance": 0.03038
}

Semantic roles & 50–950 ramp

primary

#191D8E

secondary

#BFBB44

accent

#E73BED

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #191D8E

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

Preview Lab → · Contrast checker → · Palette generator →