#1B635B#1B635B

#1B635B is a mid, moderate teal. Relative luminance 0.099; OKLCH L 45.4% C 0.070 H 184.4°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#1B635B
RGB	rgb(27, 99, 91)
HSL	hsl(173, 57%, 25%)
HSV	hsv(173, 73%, 39%)
CMYK	cmyk(72.7%, 0%, 8.1%, 61.2%)
CIE-LAB	lab(37.68, -23.81, -1.85)
CIE-LCH	lch(37.68, 23.88, 184.43°)
OKLab	oklab(45.41% -0.0702 -0.0054)
OKLCH	oklch(45.41% 0.07 184.4)
XYZ	xyz(6.8013, 9.9112, 11.4501)
Luminance	0.0991 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B635B #631B23

analogous

#1B6337 #1B635B #1B4763

triadic

#1B635B #5B1B63 #635B1B

tetradic

#1B635B #371B63 #631B23 #47631B

square

#1B635B #371B63 #631B23 #47631B

split-complementary

#1B635B #631B47 #63371B

monochromatic

#071816 #0E332F #1B635B #289387 #35C3B3

Accessibility & contrast

On white

7.04

#1B635B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#1B635B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B635B

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B635B	#FFFFFF	#000000	##FFFFFF
##1B635B	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5D5B

Deuteranopia (green-blind)

#53555C

Tritanopia (blue-blind)

#006560

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1b635b;
/* rgb */ color: rgb(27, 99, 91);
/* oklch */ color: oklch(45.4% 0.070 184.4);

Tailwind

colors: {
  custom: {
    50: '#639089',
    500: '#1b635b',
    950: '#000000',
  },
}

SCSS

$custom: #1b635b;
$custom-light: #639089;
$custom-dark: #000000;

JSON

{
  "hex": "#1b635b",
  "rgb": {
    "r": 27,
    "g": 99,
    "b": 91
  },
  "hsl": {
    "h": 173.333,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.45406,
    "c": 0.07037,
    "h": 184.4
  },
  "luminance": 0.09912
}

Semantic roles & 50–950 ramp

primary

#1B635B

secondary

#98414B

accent

#4758E0

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0B

muted

#7A7D7C

Preview Lab

Preview with #1B635B

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

Preview Lab → · Contrast checker → · Palette generator →