#192F51#192F51

#192F51 is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.6% C 0.068 H 258.8°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#192F51
RGB	rgb(25, 47, 81)
HSL	hsl(216, 53%, 21%)
HSV	hsv(216, 69%, 32%)
CMYK	cmyk(69.1%, 42%, 0%, 68.2%)
CIE-LAB	lab(19.36, 3.84, -23.41)
CIE-LCH	lch(19.36, 23.72, 279.33°)
OKLab	oklab(30.59% -0.0131 -0.0665)
OKLCH	oklch(30.59% 0.068 258.8)
XYZ	xyz(2.9021, 2.8335, 8.1770)
Luminance	0.0283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#192F51 #513B19

analogous

#194B51 #192F51 #1F1951

triadic

#192F51 #51192F #2F5119

tetradic

#192F51 #51194B #513B19 #19511F

square

#192F51 #51194B #513B19 #19511F

split-complementary

#192F51 #511F19 #4B5119

monochromatic

#070E17 #0B1422 #192F51 #274A80 #3665AF

Accessibility & contrast

On white

13.40

#192F51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#192F51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #192F51

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##192F51	#FFFFFF	#000000	##FFFFFF
##192F51	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203252

Deuteranopia (green-blind)

#182D50

Tritanopia (blue-blind)

#00373C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #192f51;
/* rgb */ color: rgb(25, 47, 81);
/* oklch */ color: oklch(30.6% 0.068 258.8);

Tailwind

colors: {
  custom: {
    50: '#5c6782',
    500: '#192f51',
    950: '#000000',
  },
}

SCSS

$custom: #192f51;
$custom-light: #5c6782;
$custom-dark: #000000;

JSON

{
  "hex": "#192f51",
  "rgb": {
    "r": 25,
    "g": 47,
    "b": 81
  },
  "hsl": {
    "h": 216.429,
    "s": 52.83,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30594,
    "c": 0.0678,
    "h": 258.8
  },
  "luminance": 0.02834
}

Semantic roles & 50–950 ramp

primary

#192F51

secondary

#876B3E

accent

#A34CDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #192F51

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

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