#1B453D#1B453D

#1B453D is a dark, muted teal. Relative luminance 0.048; OKLCH L 35.8% C 0.049 H 179.0°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#1B453D
RGB	rgb(27, 69, 61)
HSL	hsl(169, 44%, 19%)
HSV	hsv(169, 61%, 27%)
CMYK	cmyk(60.9%, 0%, 11.6%, 72.9%)
CIE-LAB	lab(26.23, -16.94, 0.42)
CIE-LCH	lch(26.23, 16.94, 178.59°)
OKLab	oklab(35.79% -0.049 0.0008)
OKLCH	oklch(35.79% 0.049 179)
XYZ	xyz(3.4220, 4.8259, 5.1651)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B453D #451B23

analogous

#1B4528 #1B453D #1B3845

triadic

#1B453D #3D1B45 #453D1B

tetradic

#1B453D #281B45 #451B23 #38451B

square

#1B453D #281B45 #451B23 #38451B

split-complementary

#1B453D #451B38 #45281B

monochromatic

#091613 #0A1916 #1B453D #2C7164 #3D9D8B

Accessibility & contrast

On white

10.69

#1B453D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1B453D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B453D

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B453D	#FFFFFF	#000000	##FFFFFF
##1B453D	1.00	10.69	1.97	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42413D

Deuteranopia (green-blind)

#3C3C3E

Tritanopia (blue-blind)

#034643

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1b453d;
/* rgb */ color: rgb(27, 69, 61);
/* oklch */ color: oklch(35.8% 0.049 179.0);

Tailwind

colors: {
  custom: {
    50: '#5c7972',
    500: '#1b453d',
    950: '#000000',
  },
}

SCSS

$custom: #1b453d;
$custom-light: #5c7972;
$custom-dark: #000000;

JSON

{
  "hex": "#1b453d",
  "rgb": {
    "r": 27,
    "g": 69,
    "b": 61
  },
  "hsl": {
    "h": 168.571,
    "s": 43.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.3579,
    "c": 0.04905,
    "h": 179
  },
  "luminance": 0.04826
}

Semantic roles & 50–950 ramp

primary

#1B453D

secondary

#7B414C

accent

#546DD3

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#040908

muted

#797B7B

Preview Lab

Preview with #1B453D

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

Preview Lab → · Contrast checker → · Palette generator →