#1B645D#1B645D

#1B645D is a mid, moderate teal. Relative luminance 0.101; OKLCH L 45.8% C 0.071 H 185.8°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#1B645D
RGB	rgb(27, 100, 93)
HSL	hsl(174, 57%, 25%)
HSV	hsv(174, 73%, 39%)
CMYK	cmyk(73%, 0%, 7%, 60.8%)
CIE-LAB	lab(38.09, -23.71, -2.48)
CIE-LCH	lch(38.09, 23.84, 185.98°)
OKLab	oklab(45.76% -0.0703 -0.0071)
OKLCH	oklch(45.76% 0.071 185.8)
XYZ	xyz(6.9840, 10.1369, 11.9423)
Luminance	0.1014 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B645D #641B22

analogous

#1B6439 #1B645D #1B4664

triadic

#1B645D #5D1B64 #645D1B

tetradic

#1B645D #391B64 #641B22 #46641B

square

#1B645D #391B64 #641B22 #46641B

split-complementary

#1B645D #641B46 #64391B

monochromatic

#071816 #0E3430 #1B645D #28948A #35C4B7

Accessibility & contrast

On white

6.94

#1B645D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#1B645D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B645D

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B645D	#FFFFFF	#000000	##FFFFFF
##1B645D	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5E5D

Deuteranopia (green-blind)

#54565E

Tritanopia (blue-blind)

#006662

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1b645d;
/* rgb */ color: rgb(27, 100, 93);
/* oklch */ color: oklch(45.8% 0.071 185.8);

Tailwind

colors: {
  custom: {
    50: '#63908a',
    500: '#1b645d',
    950: '#000000',
  },
}

SCSS

$custom: #1b645d;
$custom-light: #63908a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b645d",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 93
  },
  "hsl": {
    "h": 174.247,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.45756,
    "c": 0.07064,
    "h": 185.8
  },
  "luminance": 0.10138
}

Semantic roles & 50–950 ramp

primary

#1B645D

secondary

#99414A

accent

#4756E1

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0B

muted

#7A7D7C

Preview Lab

Preview with #1B645D

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

Preview Lab → · Contrast checker → · Palette generator →