#19255B#19255B

#19255B is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.0% C 0.098 H 269.8°. Best body text is #FFFFFF at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#19255B
RGB	rgb(25, 37, 91)
HSL	hsl(229, 57%, 23%)
HSV	hsv(229, 73%, 36%)
CMYK	cmyk(72.5%, 59.3%, 0%, 64.3%)
CIE-LAB	lab(16.92, 15.25, -34.02)
CIE-LCH	lch(16.92, 37.29, 294.15°)
OKLab	oklab(28.95% -0.0003 -0.0979)
OKLCH	oklch(28.95% 0.098 269.8)
XYZ	xyz(2.9502, 2.2849, 10.1811)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19255B #5B4F19

analogous

#19465B #19255B #2E195B

triadic

#19255B #5B1925 #255B19

tetradic

#19255B #5B1946 #5B4F19 #195B2E

square

#19255B #5B1946 #5B4F19 #195B2E

split-complementary

#19255B #5B2E19 #465B19

monochromatic

#070A18 #0C112B #19255B #26398B #334CBB

Accessibility & contrast

On white

14.41

#19255B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#19255B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19255B

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19255B	#FFFFFF	#000000	##FFFFFF
##19255B	1.00	14.41	1.46	14.41
#FFFFFF	14.41	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5D

Deuteranopia (green-blind)

#00275A

Tritanopia (blue-blind)

#00323C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #19255b;
/* rgb */ color: rgb(25, 37, 91);
/* oklch */ color: oklch(29.0% 0.098 269.8);

Tailwind

colors: {
  custom: {
    50: '#5f5f8a',
    500: '#19255b',
    950: '#000000',
  },
}

SCSS

$custom: #19255b;
$custom-light: #5f5f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#19255b",
  "rgb": {
    "r": 25,
    "g": 37,
    "b": 91
  },
  "hsl": {
    "h": 229.091,
    "s": 56.897,
    "l": 22.745
  },
  "oklch": {
    "l": 0.28954,
    "c": 0.09787,
    "h": 269.8
  },
  "luminance": 0.02285
}

Semantic roles & 50–950 ramp

primary

#19255B

secondary

#91823F

accent

#C448E0

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #19255B

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

Preview Lab → · Contrast checker → · Palette generator →