#19357B#19357B

#19357B is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.3% C 0.124 H 264.4°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#19357B
RGB	rgb(25, 53, 123)
HSL	hsl(223, 66%, 29%)
HSV	hsv(223, 80%, 48%)
CMYK	cmyk(79.7%, 56.9%, 0%, 51.8%)
CIE-LAB	lab(24.27, 16.84, -42.86)
CIE-LCH	lch(24.27, 46.05, 291.45°)
OKLab	oklab(35.32% -0.0121 -0.1236)
OKLCH	oklch(35.32% 0.124 264.4)
XYZ	xyz(5.2479, 4.1823, 19.2657)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#19357B #7B5F19

analogous

#19667B #19357B #2E197B

triadic

#19357B #7B1935 #357B19

tetradic

#19357B #7B1966 #7B5F19 #197B2E

square

#19357B #7B1966 #7B5F19 #197B2E

split-complementary

#19357B #7B2E19 #667B19

monochromatic

#050B19 #0F1F48 #19357B #234BAE #3865D7

Accessibility & contrast

On white

11.43

#19357B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#19357B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19357B

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##19357B	#FFFFFF	#000000	##FFFFFF
##19357B	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7D

Deuteranopia (green-blind)

#00357A

Tritanopia (blue-blind)

#004652

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #19357b;
/* rgb */ color: rgb(25, 53, 123);
/* oklch */ color: oklch(35.3% 0.124 264.4);

Tailwind

colors: {
  custom: {
    50: '#666ba2',
    500: '#19357b',
    950: '#000000',
  },
}

SCSS

$custom: #19357b;
$custom-light: #666ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#19357b",
  "rgb": {
    "r": 25,
    "g": 53,
    "b": 123
  },
  "hsl": {
    "h": 222.857,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.35316,
    "c": 0.12417,
    "h": 264.4
  },
  "luminance": 0.04183
}

Semantic roles & 50–950 ramp

primary

#19357B

secondary

#AF9040

accent

#B83FE9

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #19357B

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

Preview Lab → · Contrast checker → · Palette generator →