#191C58#191C58

#191C58 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.8% C 0.106 H 274.5°. Best body text is #FFFFFF at 15.57:1 contrast (WCAG AA passes).

Color values

HEX	#191C58
RGB	rgb(25, 28, 88)
HSL	hsl(237, 56%, 22%)
HSV	hsv(237, 72%, 35%)
CMYK	cmyk(71.6%, 68.2%, 0%, 65.5%)
CIE-LAB	lab(14.07, 20.61, -36.65)
CIE-LCH	lch(14.07, 42.05, 299.35°)
OKLab	oklab(26.76% 0.0082 -0.1057)
OKLCH	oklch(26.76% 0.106 274.5)
XYZ	xyz(2.5770, 1.7415, 9.4310)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C58 #585519

analogous

#193C58 #191C58 #361958

triadic

#191C58 #58191C #1C5819

tetradic

#191C58 #58193C #585519 #195836

square

#191C58 #58193C #585519 #195836

split-complementary

#191C58 #583619 #3C5819

monochromatic

#070818 #0B0D28 #191C58 #272B88 #343AB7

Accessibility & contrast

On white

15.57

#191C58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#191C58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C58

15.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C58	#FFFFFF	#000000	##FFFFFF
##191C58	1.00	15.57	1.35	15.57
#FFFFFF	15.57	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275A

Deuteranopia (green-blind)

#002157

Tritanopia (blue-blind)

#002B37

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #191c58;
/* rgb */ color: rgb(25, 28, 88);
/* oklch */ color: oklch(26.8% 0.106 274.5);

Tailwind

colors: {
  custom: {
    50: '#5f5888',
    500: '#191c58',
    950: '#000000',
  },
}

SCSS

$custom: #191c58;
$custom-light: #5f5888;
$custom-dark: #000000;

JSON

{
  "hex": "#191c58",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 88
  },
  "hsl": {
    "h": 237.143,
    "s": 55.752,
    "l": 22.157
  },
  "oklch": {
    "l": 0.26756,
    "c": 0.10601,
    "h": 274.5
  },
  "luminance": 0.01742
}

Semantic roles & 50–950 ramp

primary

#191C58

secondary

#8E8B3E

accent

#D849DF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #191C58

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

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