#1B4E5E#1B4E5E

#1B4E5E is a dark, muted cyan. Relative luminance 0.065; OKLCH L 39.7% C 0.060 H 222.2°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E5E
RGB	rgb(27, 78, 94)
HSL	hsl(194, 55%, 24%)
HSV	hsv(194, 71%, 37%)
CMYK	cmyk(71.3%, 17%, 0%, 63.1%)
CIE-LAB	lab(30.62, -11.16, -14.35)
CIE-LCH	lch(30.62, 18.18, 232.12°)
OKLab	oklab(39.73% -0.0442 -0.04)
OKLCH	oklch(39.73% 0.06 222.2)
XYZ	xyz(5.1959, 6.4894, 11.5662)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E5E #5E2B1B

analogous

#1B5E4C #1B4E5E #1B2C5E

triadic

#1B4E5E #5E1B4E #4E5E1B

tetradic

#1B4E5E #4C1B5E #5E2B1B #2C5E1B

square

#1B4E5E #4C1B5E #5E2B1B #2C5E1B

split-complementary

#1B4E5E #5E1B2C #5E4C1B

monochromatic

#071418 #0D272E #1B4E5E #29758E #369DBD

Accessibility & contrast

On white

9.14

#1B4E5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1B4E5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E5E

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E5E	#FFFFFF	#000000	##FFFFFF
##1B4E5E	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454C5F

Deuteranopia (green-blind)

#3B455E

Tritanopia (blue-blind)

#005353

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1b4e5e;
/* rgb */ color: rgb(27, 78, 94);
/* oklch */ color: oklch(39.7% 0.060 222.2);

Tailwind

colors: {
  custom: {
    50: '#617f8b',
    500: '#1b4e5e',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e5e;
$custom-light: #617f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e5e",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 94
  },
  "hsl": {
    "h": 194.328,
    "s": 55.372,
    "l": 23.725
  },
  "oklch": {
    "l": 0.39732,
    "c": 0.05962,
    "h": 222.2
  },
  "luminance": 0.0649
}

Semantic roles & 50–950 ramp

primary

#1B4E5E

secondary

#945541

accent

#6D49DF

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#050A0C

muted

#7A7C7D

Preview Lab

Preview with #1B4E5E

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

Preview Lab → · Contrast checker → · Palette generator →