#191F80#191F80

#191F80 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.6% C 0.158 H 270.5°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#191F80
RGB	rgb(25, 31, 128)
HSL	hsl(237, 67%, 30%)
HSV	hsv(237, 80%, 50%)
CMYK	cmyk(80.5%, 75.8%, 0%, 49.8%)
CIE-LAB	lab(18.99, 33.81, -54.66)
CIE-LCH	lch(18.99, 64.28, 301.74°)
OKLab	oklab(31.58% 0.0013 -0.1583)
OKLCH	oklch(31.58% 0.158 270.5)
XYZ	xyz(4.7858, 2.7446, 20.6954)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F80 #807A19

analogous

#195280 #191F80 #471980

triadic

#191F80 #80191F #1F8019

tetradic

#191F80 #801952 #807A19 #198047

square

#191F80 #801952 #807A19 #198047

split-complementary

#191F80 #804719 #528019

monochromatic

#05061A #0F134D #191F80 #232BB3 #3B44D9

Accessibility & contrast

On white

13.56

#191F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#191F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F80

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F80	#FFFFFF	#000000	##FFFFFF
##191F80	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003383

Deuteranopia (green-blind)

#00297E

Tritanopia (blue-blind)

#003B4D

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #191f80;
/* rgb */ color: rgb(25, 31, 128);
/* oklch */ color: oklch(31.6% 0.158 270.5);

Tailwind

colors: {
  custom: {
    50: '#6a5ba6',
    500: '#191f80',
    950: '#000000',
  },
}

SCSS

$custom: #191f80;
$custom-light: #6a5ba6;
$custom-dark: #000000;

JSON

{
  "hex": "#191f80",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 128
  },
  "hsl": {
    "h": 236.505,
    "s": 67.32,
    "l": 30
  },
  "oklch": {
    "l": 0.31579,
    "c": 0.15831,
    "h": 270.5
  },
  "luminance": 0.02745
}

Semantic roles & 50–950 ramp

primary

#191F80

secondary

#B4AD41

accent

#E03EEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #191F80

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

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