#191E8F#191E8F

#191E8F is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.2% C 0.178 H 269.7°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#191E8F
RGB	rgb(25, 30, 143)
HSL	hsl(237, 70%, 33%)
HSV	hsv(237, 83%, 56%)
CMYK	cmyk(82.5%, 79%, 0%, 43.9%)
CIE-LAB	lab(20.51, 39.72, -61.57)
CIE-LCH	lch(20.51, 73.27, 302.83°)
OKLab	oklab(33.16% -0.0009 -0.1783)
OKLCH	oklch(33.16% 0.178 269.7)
XYZ	xyz(5.8214, 3.1177, 26.2762)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191E8F #8F8A19

analogous

#19598F #191E8F #4F198F

triadic

#191E8F #8F191E #1E8F19

tetradic

#191E8F #8F1959 #8F8A19 #198F4F

square

#191E8F #8F1959 #8F8A19 #198F4F

split-complementary

#191E8F #8F4F19 #598F19

monochromatic

#070827 #10135B #191E8F #2229C3 #444BDE

Accessibility & contrast

On white

12.93

#191E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#191E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191E8F

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191E8F	#FFFFFF	#000000	##FFFFFF
##191E8F	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003792

Deuteranopia (green-blind)

#002B8D

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #191e8f;
/* rgb */ color: rgb(25, 30, 143);
/* oklch */ color: oklch(33.2% 0.178 269.7);

Tailwind

colors: {
  custom: {
    50: '#6e5cb1',
    500: '#191e8f',
    950: '#000000',
  },
}

SCSS

$custom: #191e8f;
$custom-light: #6e5cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#191e8f",
  "rgb": {
    "r": 25,
    "g": 30,
    "b": 143
  },
  "hsl": {
    "h": 237.458,
    "s": 70.238,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33164,
    "c": 0.17835,
    "h": 269.7
  },
  "luminance": 0.03118
}

Semantic roles & 50–950 ramp

primary

#191E8F

secondary

#BFBA44

accent

#E53BED

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #191E8F

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

Preview Lab → · Contrast checker → · Palette generator →