#1B4E67#1B4E67

#1B4E67 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.2% C 0.068 H 233.5°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E67
RGB	rgb(27, 78, 103)
HSL	hsl(200, 58%, 25%)
HSV	hsv(200, 74%, 40%)
CMYK	cmyk(73.8%, 24.3%, 0%, 59.6%)
CIE-LAB	lab(31.02, -7.84, -19.44)
CIE-LCH	lch(31.02, 20.96, 248.02°)
OKLab	oklab(40.19% -0.0404 -0.0546)
OKLCH	oklch(40.19% 0.068 233.5)
XYZ	xyz(5.6236, 6.6604, 13.8185)
Luminance	0.0666 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E67 #67341B

analogous

#1B675A #1B4E67 #1B2867

triadic

#1B4E67 #671B4E #4E671B

tetradic

#1B4E67 #5A1B67 #67341B #28671B

square

#1B4E67 #5A1B67 #67341B #28671B

split-complementary

#1B4E67 #671B28 #675A1B

monochromatic

#061218 #0E2937 #1B4E67 #287397 #3497C8

Accessibility & contrast

On white

9.00

#1B4E67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1B4E67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E67

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E67	#FFFFFF	#000000	##FFFFFF
##1B4E67	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424D68

Deuteranopia (green-blind)

#374667

Tritanopia (blue-blind)

#005556

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1b4e67;
/* rgb */ color: rgb(27, 78, 103);
/* oklch */ color: oklch(40.2% 0.068 233.5);

Tailwind

colors: {
  custom: {
    50: '#627f92',
    500: '#1b4e67',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e67;
$custom-light: #627f92;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e67",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 103
  },
  "hsl": {
    "h": 199.737,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.4019,
    "c": 0.06793,
    "h": 233.5
  },
  "luminance": 0.06661
}

Semantic roles & 50–950 ramp

primary

#1B4E67

secondary

#9C5F42

accent

#7946E2

background

#F6F7F9

surface

#EBEEF1

border

#C6C9CB

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1B4E67

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

Preview Lab → · Contrast checker → · Palette generator →