#1B453A#1B453A

#1B453A is a dark, muted teal. Relative luminance 0.048; OKLCH L 35.7% C 0.051 H 173.6°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#1B453A
RGB	rgb(27, 69, 58)
HSL	hsl(164, 44%, 19%)
HSV	hsv(164, 61%, 27%)
CMYK	cmyk(60.9%, 0%, 15.9%, 72.9%)
CIE-LAB	lab(26.14, -17.81, 2.24)
CIE-LCH	lch(26.14, 17.95, 172.82°)
OKLab	oklab(35.69% -0.0507 0.0057)
OKLCH	oklch(35.69% 0.051 173.6)
XYZ	xyz(3.3435, 4.7944, 4.7514)
Luminance	0.0479 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B453A #451B26

analogous

#1B4525 #1B453A #1B3B45

triadic

#1B453A #3A1B45 #453A1B

tetradic

#1B453A #251B45 #451B26 #3B451B

square

#1B453A #251B45 #451B26 #3B451B

split-complementary

#1B453A #451B3B #45251B

monochromatic

#091612 #0A1915 #1B453A #2C715F #3D9D84

Accessibility & contrast

On white

10.72

#1B453A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1B453A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B453A

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B453A	#FFFFFF	#000000	##FFFFFF
##1B453A	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434139

Deuteranopia (green-blind)

#3C3C3B

Tritanopia (blue-blind)

#054642

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1b453a;
/* rgb */ color: rgb(27, 69, 58);
/* oklch */ color: oklch(35.7% 0.051 173.6);

Tailwind

colors: {
  custom: {
    50: '#5c7970',
    500: '#1b453a',
    950: '#000000',
  },
}

SCSS

$custom: #1b453a;
$custom-light: #5c7970;
$custom-dark: #000000;

JSON

{
  "hex": "#1b453a",
  "rgb": {
    "r": 27,
    "g": 69,
    "b": 58
  },
  "hsl": {
    "h": 164.286,
    "s": 43.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.35685,
    "c": 0.05099,
    "h": 173.6
  },
  "luminance": 0.04795
}

Semantic roles & 50–950 ramp

primary

#1B453A

secondary

#7B4150

accent

#5476D3

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#040907

muted

#797B7A

Preview Lab

Preview with #1B453A

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

Preview Lab → · Contrast checker → · Palette generator →