#1B4E62#1B4E62

#1B4E62 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 39.9% C 0.063 H 227.6°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E62
RGB	rgb(27, 78, 98)
HSL	hsl(197, 57%, 25%)
HSV	hsv(197, 72%, 38%)
CMYK	cmyk(72.4%, 20.4%, 0%, 61.6%)
CIE-LAB	lab(30.79, -9.70, -16.62)
CIE-LCH	lch(30.79, 19.25, 239.72°)
OKLab	oklab(39.93% -0.0424 -0.0465)
OKLCH	oklch(39.93% 0.063 227.6)
XYZ	xyz(5.3801, 6.5630, 12.5362)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E62 #622F1B

analogous

#1B6253 #1B4E62 #1B2B62

triadic

#1B4E62 #621B4E #4E621B

tetradic

#1B4E62 #531B62 #622F1B #2B621B

square

#1B4E62 #531B62 #622F1B #2B621B

split-complementary

#1B4E62 #621B2B #62531B

monochromatic

#071318 #0E2832 #1B4E62 #287492 #359AC2

Accessibility & contrast

On white

9.08

#1B4E62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1B4E62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E62

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E62	#FFFFFF	#000000	##FFFFFF
##1B4E62	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434D63

Deuteranopia (green-blind)

#3A4562

Tritanopia (blue-blind)

#005455

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1b4e62;
/* rgb */ color: rgb(27, 78, 98);
/* oklch */ color: oklch(39.9% 0.063 227.6);

Tailwind

colors: {
  custom: {
    50: '#617f8e',
    500: '#1b4e62',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e62;
$custom-light: #617f8e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e62",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 98
  },
  "hsl": {
    "h": 196.901,
    "s": 56.8,
    "l": 24.51
  },
  "oklch": {
    "l": 0.39931,
    "c": 0.06298,
    "h": 227.6
  },
  "luminance": 0.06564
}

Semantic roles & 50–950 ramp

primary

#1B4E62

secondary

#985A41

accent

#7348E0

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#050A0C

muted

#7A7C7D

Preview Lab

Preview with #1B4E62

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

Preview Lab → · Contrast checker → · Palette generator →