#1B644B#1B644B

#1B644B is a mid, moderate teal. Relative luminance 0.099; OKLCH L 45.2% C 0.082 H 165.9°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#1B644B
RGB	rgb(27, 100, 75)
HSL	hsl(159, 57%, 25%)
HSV	hsv(159, 73%, 39%)
CMYK	cmyk(73%, 0%, 25%, 60.8%)
CIE-LAB	lab(37.58, -28.83, 7.83)
CIE-LCH	lch(37.58, 29.87, 164.81°)
OKLab	oklab(45.18% -0.0797 0.02)
OKLCH	oklch(45.18% 0.082 165.9)
XYZ	xyz(6.2785, 9.8546, 8.2265)
Luminance	0.0985 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B644B #641B34

analogous

#1B6427 #1B644B #1B5964

triadic

#1B644B #4B1B64 #644B1B

tetradic

#1B644B #271B64 #641B34 #59641B

square

#1B644B #271B64 #641B34 #59641B

split-complementary

#1B644B #641B59 #64271B

monochromatic

#071812 #0E3427 #1B644B #28946F #35C493

Accessibility & contrast

On white

7.07

#1B644B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#1B644B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B644B

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B644B	#FFFFFF	#000000	##FFFFFF
##1B644B	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625D4A

Deuteranopia (green-blind)

#58564D

Tritanopia (blue-blind)

#00645D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1b644b;
/* rgb */ color: rgb(27, 100, 75);
/* oklch */ color: oklch(45.2% 0.082 165.9);

Tailwind

colors: {
  custom: {
    50: '#62917d',
    500: '#1b644b',
    950: '#000000',
  },
}

SCSS

$custom: #1b644b;
$custom-light: #62917d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b644b",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 75
  },
  "hsl": {
    "h": 159.452,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.45175,
    "c": 0.08216,
    "h": 165.9
  },
  "luminance": 0.09855
}

Semantic roles & 50–950 ramp

primary

#1B644B

secondary

#994160

accent

#477CE1

background

#F6F8F7

surface

#EBF0EE

border

#C6CBC9

text

#060D09

muted

#7A7D7B

Preview Lab

Preview with #1B644B

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

Preview Lab → · Contrast checker → · Palette generator →