#1B645F#1B645F

#1B645F is a mid, moderate teal. Relative luminance 0.102; OKLCH L 45.8% C 0.070 H 188.4°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#1B645F
RGB	rgb(27, 100, 95)
HSL	hsl(176, 57%, 25%)
HSV	hsv(176, 73%, 39%)
CMYK	cmyk(73%, 0%, 5%, 60.8%)
CIE-LAB	lab(38.15, -23.09, -3.62)
CIE-LCH	lch(38.15, 23.37, 188.91°)
OKLab	oklab(45.83% -0.0693 -0.0102)
OKLCH	oklch(45.83% 0.07 188.4)
XYZ	xyz(7.0738, 10.1728, 12.4150)
Luminance	0.1017 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B645F #641B20

analogous

#1B643A #1B645F #1B4564

triadic

#1B645F #5F1B64 #645F1B

tetradic

#1B645F #3A1B64 #641B20 #45641B

square

#1B645F #3A1B64 #641B20 #45641B

split-complementary

#1B645F #641B45 #643A1B

monochromatic

#071817 #0E3431 #1B645F #28948D #35C4BB

Accessibility & contrast

On white

6.92

#1B645F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#1B645F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B645F

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B645F	#FFFFFF	#000000	##FFFFFF
##1B645F	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5E5F

Deuteranopia (green-blind)

#545760

Tritanopia (blue-blind)

#006762

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1b645f;
/* rgb */ color: rgb(27, 100, 95);
/* oklch */ color: oklch(45.8% 0.070 188.4);

Tailwind

colors: {
  custom: {
    50: '#64908c',
    500: '#1b645f',
    950: '#000000',
  },
}

SCSS

$custom: #1b645f;
$custom-light: #64908c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b645f",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 95
  },
  "hsl": {
    "h": 175.89,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.45829,
    "c": 0.07001,
    "h": 188.4
  },
  "luminance": 0.10174
}

Semantic roles & 50–950 ramp

primary

#1B645F

secondary

#994147

accent

#4752E1

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0C

muted

#7A7D7D

Preview Lab

Preview with #1B645F

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

Preview Lab → · Contrast checker → · Palette generator →