#192B51#192B51

#192B51 is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.6% C 0.073 H 263.5°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#192B51
RGB	rgb(25, 43, 81)
HSL	hsl(221, 53%, 21%)
HSV	hsv(221, 69%, 32%)
CMYK	cmyk(69.1%, 46.9%, 0%, 68.2%)
CIE-LAB	lab(18.05, 6.74, -25.50)
CIE-LCH	lch(18.05, 26.38, 284.80°)
OKLab	oklab(29.57% -0.0083 -0.0727)
OKLCH	oklch(29.57% 0.073 263.5)
XYZ	xyz(2.7495, 2.5283, 8.1261)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#192B51 #513F19

analogous

#194751 #192B51 #231951

triadic

#192B51 #51192B #2B5119

tetradic

#192B51 #511947 #513F19 #195123

square

#192B51 #511947 #513F19 #195123

split-complementary

#192B51 #512319 #475119

monochromatic

#070C17 #0B1222 #192B51 #274480 #365DAF

Accessibility & contrast

On white

13.95

#192B51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#192B51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #192B51

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##192B51	#FFFFFF	#000000	##FFFFFF
##192B51	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2F52

Deuteranopia (green-blind)

#112A50

Tritanopia (blue-blind)

#00343A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #192b51;
/* rgb */ color: rgb(25, 43, 81);
/* oklch */ color: oklch(29.6% 0.073 263.5);

Tailwind

colors: {
  custom: {
    50: '#5c6382',
    500: '#192b51',
    950: '#000000',
  },
}

SCSS

$custom: #192b51;
$custom-light: #5c6382;
$custom-dark: #000000;

JSON

{
  "hex": "#192b51",
  "rgb": {
    "r": 25,
    "g": 43,
    "b": 81
  },
  "hsl": {
    "h": 220.714,
    "s": 52.83,
    "l": 20.784
  },
  "oklch": {
    "l": 0.29574,
    "c": 0.07319,
    "h": 263.5
  },
  "luminance": 0.02529
}

Semantic roles & 50–950 ramp

primary

#192B51

secondary

#87703E

accent

#AE4CDC

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050A

muted

#79797C

Preview Lab

Preview with #192B51

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

Preview Lab → · Contrast checker → · Palette generator →