#1B314C#1B314C

#1B314C is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.9% C 0.056 H 254.4°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#1B314C
RGB	rgb(27, 49, 76)
HSL	hsl(213, 48%, 20%)
HSV	hsv(213, 64%, 30%)
CMYK	cmyk(64.5%, 35.5%, 0%, 70.2%)
CIE-LAB	lab(19.85, 0.90, -19.28)
CIE-LCH	lch(19.85, 19.30, 272.68°)
OKLab	oklab(30.9% -0.0152 -0.0544)
OKLCH	oklch(30.9% 0.056 254.4)
XYZ	xyz(2.8544, 2.9512, 7.2553)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B314C #4C361B

analogous

#1B494C #1B314C #1D1B4C

triadic

#1B314C #4C1B31 #314C1B

tetradic

#1B314C #4C1B49 #4C361B #1B4C1D

square

#1B314C #4C1B49 #4C361B #1B4C1D

split-complementary

#1B314C #4C1D1B #494C1B

monochromatic

#080F17 #0B141F #1B314C #2B4E79 #3B6BA6

Accessibility & contrast

On white

13.21

#1B314C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1B314C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B314C

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B314C	#FFFFFF	#000000	##FFFFFF
##1B314C	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26334D

Deuteranopia (green-blind)

#1F2E4B

Tritanopia (blue-blind)

#00373B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1b314c;
/* rgb */ color: rgb(27, 49, 76);
/* oklch */ color: oklch(30.9% 0.056 254.4);

Tailwind

colors: {
  custom: {
    50: '#5c687e',
    500: '#1b314c',
    950: '#000000',
  },
}

SCSS

$custom: #1b314c;
$custom-light: #5c687e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b314c",
  "rgb": {
    "r": 27,
    "g": 49,
    "b": 76
  },
  "hsl": {
    "h": 213.061,
    "s": 47.573,
    "l": 20.196
  },
  "oklch": {
    "l": 0.30903,
    "c": 0.05649,
    "h": 254.4
  },
  "luminance": 0.02951
}

Semantic roles & 50–950 ramp

primary

#1B314C

secondary

#826541

accent

#9B51D7

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #1B314C

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

Preview Lab → · Contrast checker → · Palette generator →