#1B433C#1B433C

#1B433C is a dark, muted teal. Relative luminance 0.046; OKLCH L 35.2% C 0.047 H 180.4°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#1B433C
RGB	rgb(27, 67, 60)
HSL	hsl(170, 43%, 18%)
HSV	hsv(170, 60%, 26%)
CMYK	cmyk(59.7%, 0%, 10.4%, 73.7%)
CIE-LAB	lab(25.48, -16.11, -0.02)
CIE-LCH	lch(25.48, 16.11, 180.08°)
OKLab	oklab(35.17% -0.0469 -0.0003)
OKLCH	oklch(35.17% 0.047 180.4)
XYZ	xyz(3.2744, 4.5733, 4.9843)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B433C #431B22

analogous

#1B4328 #1B433C #1B3643

triadic

#1B433C #3C1B43 #433C1B

tetradic

#1B433C #281B43 #431B22 #36431B

square

#1B433C #281B43 #431B22 #36431B

split-complementary

#1B433C #431B36 #43281B

monochromatic

#091614 #091715 #1B433C #2D6F63 #3E9A8A

Accessibility & contrast

On white

10.97

#1B433C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1B433C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B433C

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B433C	#FFFFFF	#000000	##FFFFFF
##1B433C	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403F3C

Deuteranopia (green-blind)

#3A3A3D

Tritanopia (blue-blind)

#054441

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1b433c;
/* rgb */ color: rgb(27, 67, 60);
/* oklch */ color: oklch(35.2% 0.047 180.4);

Tailwind

colors: {
  custom: {
    50: '#5c7771',
    500: '#1b433c',
    950: '#000000',
  },
}

SCSS

$custom: #1b433c;
$custom-light: #5c7771;
$custom-dark: #000000;

JSON

{
  "hex": "#1b433c",
  "rgb": {
    "r": 27,
    "g": 67,
    "b": 60
  },
  "hsl": {
    "h": 169.5,
    "s": 42.553,
    "l": 18.431
  },
  "oklch": {
    "l": 0.35172,
    "c": 0.0469,
    "h": 180.4
  },
  "luminance": 0.04574
}

Semantic roles & 50–950 ramp

primary

#1B433C

secondary

#79414B

accent

#556BD2

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#040807

muted

#797B7A

Preview Lab

Preview with #1B433C

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

Preview Lab → · Contrast checker → · Palette generator →