#1B555E#1B555E

#1B555E is a dark, moderate teal. Relative luminance 0.075; OKLCH L 41.6% C 0.060 H 209.6°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#1B555E
RGB	rgb(27, 85, 94)
HSL	hsl(188, 55%, 24%)
HSV	hsv(188, 71%, 37%)
CMYK	cmyk(71.3%, 9.6%, 0%, 63.1%)
CIE-LAB	lab(33.00, -15.27, -10.71)
CIE-LCH	lch(33.00, 18.65, 215.05°)
OKLab	oklab(41.65% -0.0524 -0.0297)
OKLCH	oklch(41.65% 0.06 209.6)
XYZ	xyz(5.7200, 7.5375, 11.7409)
Luminance	0.0754 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B555E #5E241B

analogous

#1B5E45 #1B555E #1B335E

triadic

#1B555E #5E1B55 #555E1B

tetradic

#1B555E #451B5E #5E241B #335E1B

square

#1B555E #451B5E #5E241B #335E1B

split-complementary

#1B555E #5E1B33 #5E451B

monochromatic

#071518 #0D2A2E #1B555E #29808E #36ABBD

Accessibility & contrast

On white

8.37

#1B555E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1B555E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B555E

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B555E	#FFFFFF	#000000	##FFFFFF
##1B555E	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D525F

Deuteranopia (green-blind)

#434B5E

Tritanopia (blue-blind)

#005958

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b555e;
/* rgb */ color: rgb(27, 85, 94);
/* oklch */ color: oklch(41.6% 0.060 209.6);

Tailwind

colors: {
  custom: {
    50: '#61858b',
    500: '#1b555e',
    950: '#000000',
  },
}

SCSS

$custom: #1b555e;
$custom-light: #61858b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b555e",
  "rgb": {
    "r": 27,
    "g": 85,
    "b": 94
  },
  "hsl": {
    "h": 188.06,
    "s": 55.372,
    "l": 23.725
  },
  "oklch": {
    "l": 0.41648,
    "c": 0.06026,
    "h": 209.6
  },
  "luminance": 0.07538
}

Semantic roles & 50–950 ramp

primary

#1B555E

secondary

#944C41

accent

#5D49DF

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#050B0C

muted

#7A7C7D

Preview Lab

Preview with #1B555E

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

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