#1B433E#1B433E

#1B433E is a dark, muted teal. Relative luminance 0.046; OKLCH L 35.2% C 0.046 H 184.5°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#1B433E
RGB	rgb(27, 67, 62)
HSL	hsl(173, 43%, 18%)
HSV	hsv(173, 60%, 26%)
CMYK	cmyk(59.7%, 0%, 7.5%, 73.7%)
CIE-LAB	lab(25.55, -15.50, -1.24)
CIE-LCH	lch(25.55, 15.55, 184.58°)
OKLab	oklab(35.25% -0.0458 -0.0036)
OKLCH	oklch(35.25% 0.046 184.5)
XYZ	xyz(3.3283, 4.5948, 5.2680)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B433E #431B20

analogous

#1B432A #1B433E #1B3443

triadic

#1B433E #3E1B43 #433E1B

tetradic

#1B433E #2A1B43 #431B20 #34431B

square

#1B433E #2A1B43 #431B20 #34431B

split-complementary

#1B433E #431B34 #432A1B

monochromatic

#091614 #091716 #1B433E #2D6F66 #3E9A8F

Accessibility & contrast

On white

10.94

#1B433E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1B433E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B433E

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B433E	#FFFFFF	#000000	##FFFFFF
##1B433E	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403F3E

Deuteranopia (green-blind)

#393B3F

Tritanopia (blue-blind)

#034441

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1b433e;
/* rgb */ color: rgb(27, 67, 62);
/* oklch */ color: oklch(35.2% 0.046 184.5);

Tailwind

colors: {
  custom: {
    50: '#5c7773',
    500: '#1b433e',
    950: '#000000',
  },
}

SCSS

$custom: #1b433e;
$custom-light: #5c7773;
$custom-dark: #000000;

JSON

{
  "hex": "#1b433e",
  "rgb": {
    "r": 27,
    "g": 67,
    "b": 62
  },
  "hsl": {
    "h": 172.5,
    "s": 42.553,
    "l": 18.431
  },
  "oklch": {
    "l": 0.35246,
    "c": 0.04597,
    "h": 184.5
  },
  "luminance": 0.04595
}

Semantic roles & 50–950 ramp

primary

#1B433E

secondary

#794148

accent

#5565D2

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#040808

muted

#797B7B

Preview Lab

Preview with #1B433E

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

Preview Lab → · Contrast checker → · Palette generator →