#1B314A#1B314A

#1B314A is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.8% C 0.053 H 252.7°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#1B314A
RGB	rgb(27, 49, 74)
HSL	hsl(212, 47%, 20%)
HSV	hsv(212, 64%, 29%)
CMYK	cmyk(63.5%, 33.8%, 0%, 71%)
CIE-LAB	lab(19.74, 0.13, -18.10)
CIE-LCH	lch(19.74, 18.10, 270.40°)
OKLab	oklab(30.78% -0.0159 -0.051)
OKLCH	oklch(30.78% 0.053 252.7)
XYZ	xyz(2.7859, 2.9238, 6.8948)
Luminance	0.0292 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B314A #4A341B

analogous

#1B494A #1B314A #1D1B4A

triadic

#1B314A #4A1B31 #314A1B

tetradic

#1B314A #4A1B49 #4A341B #1B4A1D

square

#1B314A #4A1B49 #4A341B #1B4A1D

split-complementary

#1B314A #4A1D1B #494A1B

monochromatic

#080F16 #0B131D #1B314A #2B4F77 #3C6CA4

Accessibility & contrast

On white

13.25

#1B314A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1B314A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B314A

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B314A	#FFFFFF	#000000	##FFFFFF
##1B314A	1.00	13.25	1.58	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27324B

Deuteranopia (green-blind)

#212E49

Tritanopia (blue-blind)

#00373A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1b314a;
/* rgb */ color: rgb(27, 49, 74);
/* oklch */ color: oklch(30.8% 0.053 252.7);

Tailwind

colors: {
  custom: {
    50: '#5c687c',
    500: '#1b314a',
    950: '#000000',
  },
}

SCSS

$custom: #1b314a;
$custom-light: #5c687c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b314a",
  "rgb": {
    "r": 27,
    "g": 49,
    "b": 74
  },
  "hsl": {
    "h": 211.915,
    "s": 46.535,
    "l": 19.804
  },
  "oklch": {
    "l": 0.30779,
    "c": 0.05341,
    "h": 252.7
  },
  "luminance": 0.02924
}

Semantic roles & 50–950 ramp

primary

#1B314A

secondary

#806241

accent

#9852D6

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040609

muted

#797A7B

Preview Lab

Preview with #1B314A

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

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