#1B635A#1B635A

#1B635A is a mid, moderate teal. Relative luminance 0.099; OKLCH L 45.4% C 0.071 H 183.1°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B635A
RGB	rgb(27, 99, 90)
HSL	hsl(173, 57%, 25%)
HSV	hsv(173, 73%, 39%)
CMYK	cmyk(72.7%, 0%, 9.1%, 61.2%)
CIE-LAB	lab(37.65, -24.11, -1.27)
CIE-LCH	lch(37.65, 24.15, 183.03°)
OKLab	oklab(45.37% -0.0707 -0.0038)
OKLCH	oklch(45.37% 0.071 183.1)
XYZ	xyz(6.7584, 9.8941, 11.2244)
Luminance	0.0989 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B635A #631B24

analogous

#1B6336 #1B635A #1B4863

triadic

#1B635A #5A1B63 #635A1B

tetradic

#1B635A #361B63 #631B24 #48631B

square

#1B635A #361B63 #631B24 #48631B

split-complementary

#1B635A #631B48 #63361B

monochromatic

#071816 #0E332E #1B635A #289386 #35C3B1

Accessibility & contrast

On white

7.05

#1B635A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#1B635A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B635A

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B635A	#FFFFFF	#000000	##FFFFFF
##1B635A	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5D5A

Deuteranopia (green-blind)

#54555B

Tritanopia (blue-blind)

#006560

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1b635a;
/* rgb */ color: rgb(27, 99, 90);
/* oklch */ color: oklch(45.4% 0.071 183.1);

Tailwind

colors: {
  custom: {
    50: '#639088',
    500: '#1b635a',
    950: '#000000',
  },
}

SCSS

$custom: #1b635a;
$custom-light: #639088;
$custom-dark: #000000;

JSON

{
  "hex": "#1b635a",
  "rgb": {
    "r": 27,
    "g": 99,
    "b": 90
  },
  "hsl": {
    "h": 172.5,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.45371,
    "c": 0.07077,
    "h": 183.1
  },
  "luminance": 0.09895
}

Semantic roles & 50–950 ramp

primary

#1B635A

secondary

#98414C

accent

#475BE0

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#060C0B

muted

#7A7D7C

Preview Lab

Preview with #1B635A

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

Preview Lab → · Contrast checker → · Palette generator →