#191F4E#191F4E

#191F4E is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.5% C 0.086 H 273.5°. Best body text is #FFFFFF at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#191F4E
RGB	rgb(25, 31, 78)
HSL	hsl(233, 51%, 20%)
HSV	hsv(233, 68%, 31%)
CMYK	cmyk(67.9%, 60.3%, 0%, 69.4%)
CIE-LAB	lab(14.04, 14.42, -29.91)
CIE-LCH	lch(14.04, 33.20, 295.74°)
OKLab	oklab(26.46% 0.0053 -0.0858)
OKLCH	oklch(26.46% 0.086 273.5)
XYZ	xyz(2.2656, 1.7365, 7.4220)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.26

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F4E #4E4819

analogous

#19394E #191F4E #2E194E

triadic

#191F4E #4E191F #1F4E19

tetradic

#191F4E #4E1939 #4E4819 #194E2E

square

#191F4E #4E1939 #4E4819 #194E2E

split-complementary

#191F4E #4E2E19 #394E19

monochromatic

#070917 #0A0D20 #191F4E #28317C #3744AB

Accessibility & contrast

On white

15.59

#191F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#191F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F4E

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F4E	#FFFFFF	#000000	##FFFFFF
##191F4E	1.00	15.59	1.35	15.59
#FFFFFF	15.59	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012650

Deuteranopia (green-blind)

#00214D

Tritanopia (blue-blind)

#002A33

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #191f4e;
/* rgb */ color: rgb(25, 31, 78);
/* oklch */ color: oklch(26.5% 0.086 273.5);

Tailwind

colors: {
  custom: {
    50: '#5c5a80',
    500: '#191f4e',
    950: '#000000',
  },
}

SCSS

$custom: #191f4e;
$custom-light: #5c5a80;
$custom-dark: #000000;

JSON

{
  "hex": "#191f4e",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 78
  },
  "hsl": {
    "h": 233.208,
    "s": 51.456,
    "l": 20.196
  },
  "oklch": {
    "l": 0.26455,
    "c": 0.08601,
    "h": 273.5
  },
  "luminance": 0.01737
}

Semantic roles & 50–950 ramp

primary

#191F4E

secondary

#847D3E

accent

#CB4DDB

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #191F4E

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

Preview Lab → · Contrast checker → · Palette generator →