#1B464F#1B464F

#1B464F is a dark, muted cyan. Relative luminance 0.052; OKLCH L 36.8% C 0.049 H 213.6°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#1B464F
RGB	rgb(27, 70, 79)
HSL	hsl(190, 49%, 21%)
HSV	hsv(190, 66%, 31%)
CMYK	cmyk(65.8%, 11.4%, 0%, 69%)
CIE-LAB	lab(27.23, -11.67, -9.85)
CIE-LCH	lch(27.23, 15.28, 220.17°)
OKLab	oklab(36.81% -0.0412 -0.0273)
OKLCH	oklch(36.81% 0.049 213.6)
XYZ	xyz(4.0529, 5.1774, 8.1814)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B464F #4F241B

analogous

#1B4F3E #1B464F #1B2C4F

triadic

#1B464F #4F1B46 #464F1B

tetradic

#1B464F #3E1B4F #4F241B #2C4F1B

square

#1B464F #3E1B4F #4F241B #2C4F1B

split-complementary

#1B464F #4F1B2C #4F3E1B

monochromatic

#081417 #0B1E21 #1B464F #2B6E7D #3A97AA

Accessibility & contrast

On white

10.32

#1B464F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1B464F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B464F

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B464F	#FFFFFF	#000000	##FFFFFF
##1B464F	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4450

Deuteranopia (green-blind)

#383E4F

Tritanopia (blue-blind)

#004A49

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1b464f;
/* rgb */ color: rgb(27, 70, 79);
/* oklch */ color: oklch(36.8% 0.049 213.6);

Tailwind

colors: {
  custom: {
    50: '#5e7980',
    500: '#1b464f',
    950: '#000000',
  },
}

SCSS

$custom: #1b464f;
$custom-light: #5e7980;
$custom-dark: #000000;

JSON

{
  "hex": "#1b464f",
  "rgb": {
    "r": 27,
    "g": 70,
    "b": 79
  },
  "hsl": {
    "h": 190.385,
    "s": 49.057,
    "l": 20.784
  },
  "oklch": {
    "l": 0.36813,
    "c": 0.04944,
    "h": 213.6
  },
  "luminance": 0.05178
}

Semantic roles & 50–950 ramp

primary

#1B464F

secondary

#854D41

accent

#674FD9

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#05090A

muted

#797B7C

Preview Lab

Preview with #1B464F

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

Preview Lab → · Contrast checker → · Palette generator →