#1B5A67#1B5A67

#1B5A67 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.4% C 0.065 H 214.3°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B5A67
RGB	rgb(27, 90, 103)
HSL	hsl(190, 58%, 25%)
HSV	hsv(190, 74%, 40%)
CMYK	cmyk(73.8%, 12.6%, 0%, 59.6%)
CIE-LAB	lab(35.05, -15.00, -13.24)
CIE-LCH	lch(35.05, 20.00, 221.43°)
OKLab	oklab(43.42% -0.054 -0.0368)
OKLCH	oklch(43.42% 0.065 214.3)
XYZ	xyz(6.5553, 8.5239, 14.1291)
Luminance	0.0853 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5A67 #67281B

analogous

#1B674E #1B5A67 #1B3467

triadic

#1B5A67 #671B5A #5A671B

tetradic

#1B5A67 #4E1B67 #67281B #34671B

square

#1B5A67 #4E1B67 #67281B #34671B

split-complementary

#1B5A67 #671B34 #674E1B

monochromatic

#061518 #0E3037 #1B5A67 #288497 #34AFC8

Accessibility & contrast

On white

7.76

#1B5A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#1B5A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5A67

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5A67	#FFFFFF	#000000	##FFFFFF
##1B5A67	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515768

Deuteranopia (green-blind)

#464F67

Tritanopia (blue-blind)

#005F5E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b5a67;
/* rgb */ color: rgb(27, 90, 103);
/* oklch */ color: oklch(43.4% 0.065 214.3);

Tailwind

colors: {
  custom: {
    50: '#638892',
    500: '#1b5a67',
    950: '#000000',
  },
}

SCSS

$custom: #1b5a67;
$custom-light: #638892;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5a67",
  "rgb": {
    "r": 27,
    "g": 90,
    "b": 103
  },
  "hsl": {
    "h": 190.263,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.43417,
    "c": 0.06541,
    "h": 214.3
  },
  "luminance": 0.08525
}

Semantic roles & 50–950 ramp

primary

#1B5A67

secondary

#9C5142

accent

#6146E2

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060B0D

muted

#7A7C7D

Preview Lab

Preview with #1B5A67

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

Preview Lab → · Contrast checker → · Palette generator →