#154B4B#154B4B

#154B4B is a dark, muted teal. Relative luminance 0.057; OKLCH L 37.8% C 0.055 H 195.1°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#154B4B
RGB	rgb(21, 75, 75)
HSL	hsl(180, 56%, 19%)
HSV	hsv(180, 72%, 29%)
CMYK	cmyk(72%, 0%, 0%, 70.6%)
CIE-LAB	lab(28.64, -17.13, -5.16)
CIE-LCH	lch(28.64, 17.89, 196.77°)
OKLab	oklab(37.84% -0.0532 -0.0143)
OKLCH	oklch(37.84% 0.055 195.1)
XYZ	xyz(4.0948, 5.6991, 7.5395)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154B4B #4B1515

analogous

#154B30 #154B4B #15304B

triadic

#154B4B #4B154B #4B4B15

tetradic

#154B4B #30154B #4B1515 #304B15

square

#154B4B #30154B #4B1515 #304B15

split-complementary

#154B4B #4B1530 #4B3015

monochromatic

#071818 #081B1B #154B4B #227B7B #30ABAB

Accessibility & contrast

On white

9.81

#154B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#154B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154B4B

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154B4B	#FFFFFF	#000000	##FFFFFF
##154B4B	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46474B

Deuteranopia (green-blind)

#3D414B

Tritanopia (blue-blind)

#004E4B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #154b4b;
/* rgb */ color: rgb(21, 75, 75);
/* oklch */ color: oklch(37.8% 0.055 195.1);

Tailwind

colors: {
  custom: {
    50: '#5c7d7d',
    500: '#154b4b',
    950: '#000000',
  },
}

SCSS

$custom: #154b4b;
$custom-light: #5c7d7d;
$custom-dark: #000000;

JSON

{
  "hex": "#154b4b",
  "rgb": {
    "r": 21,
    "g": 75,
    "b": 75
  },
  "hsl": {
    "h": 180,
    "s": 56.25,
    "l": 18.824
  },
  "oklch": {
    "l": 0.37841,
    "c": 0.05511,
    "h": 195.1
  },
  "luminance": 0.057
}

Semantic roles & 50–950 ramp

primary

#154B4B

secondary

#833939

accent

#4848E0

background

#F5F7F7

surface

#E9EEEE

border

#C5C9C9

text

#040909

muted

#797B7B

Preview Lab

Preview with #154B4B

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

Preview Lab → · Contrast checker → · Palette generator →