#1B433D#1B433D

#1B433D is a dark, muted teal. Relative luminance 0.046; OKLCH L 35.2% C 0.046 H 182.4°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#1B433D
RGB	rgb(27, 67, 61)
HSL	hsl(171, 43%, 18%)
HSV	hsv(171, 60%, 26%)
CMYK	cmyk(59.7%, 0%, 9%, 73.7%)
CIE-LAB	lab(25.51, -15.81, -0.63)
CIE-LCH	lch(25.51, 15.82, 182.29°)
OKLab	oklab(35.21% -0.0464 -0.002)
OKLCH	oklch(35.21% 0.046 182.4)
XYZ	xyz(3.3011, 4.5839, 5.1248)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B433D #431B21

analogous

#1B4329 #1B433D #1B3543

triadic

#1B433D #3D1B43 #433D1B

tetradic

#1B433D #291B43 #431B21 #35431B

square

#1B433D #291B43 #431B21 #35431B

split-complementary

#1B433D #431B35 #43291B

monochromatic

#091614 #091715 #1B433D #2D6F65 #3E9A8C

Accessibility & contrast

On white

10.96

#1B433D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1B433D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B433D

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B433D	#FFFFFF	#000000	##FFFFFF
##1B433D	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403F3D

Deuteranopia (green-blind)

#3A3B3E

Tritanopia (blue-blind)

#044441

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1b433d;
/* rgb */ color: rgb(27, 67, 61);
/* oklch */ color: oklch(35.2% 0.046 182.4);

Tailwind

colors: {
  custom: {
    50: '#5c7772',
    500: '#1b433d',
    950: '#000000',
  },
}

SCSS

$custom: #1b433d;
$custom-light: #5c7772;
$custom-dark: #000000;

JSON

{
  "hex": "#1b433d",
  "rgb": {
    "r": 27,
    "g": 67,
    "b": 61
  },
  "hsl": {
    "h": 171,
    "s": 42.553,
    "l": 18.431
  },
  "oklch": {
    "l": 0.35209,
    "c": 0.04641,
    "h": 182.4
  },
  "luminance": 0.04584
}

Semantic roles & 50–950 ramp

primary

#1B433D

secondary

#79414A

accent

#5568D2

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#040808

muted

#797B7B

Preview Lab

Preview with #1B433D

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

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