#154B5A#154B5A

#154B5A is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 38.5% C 0.060 H 220.2°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#154B5A
RGB	rgb(21, 75, 90)
HSL	hsl(193, 62%, 22%)
HSV	hsv(193, 77%, 35%)
CMYK	cmyk(76.7%, 16.7%, 0%, 64.7%)
CIE-LAB	lab(29.23, -11.84, -13.93)
CIE-LCH	lch(29.23, 18.28, 229.63°)
OKLab	oklab(38.52% -0.046 -0.0389)
OKLCH	oklch(38.52% 0.06 220.2)
XYZ	xyz(4.6700, 5.9292, 10.5692)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154B5A #5A2415

analogous

#155A47 #154B5A #15295A

triadic

#154B5A #5A154B #4B5A15

tetradic

#154B5A #47155A #5A2415 #295A15

square

#154B5A #47155A #5A2415 #295A15

split-complementary

#154B5A #5A1529 #5A4715

monochromatic

#061519 #092228 #154B5A #21748C #2C9EBD

Accessibility & contrast

On white

9.61

#154B5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#154B5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154B5A

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154B5A	#FFFFFF	#000000	##FFFFFF
##154B5A	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42495B

Deuteranopia (green-blind)

#38425A

Tritanopia (blue-blind)

#005050

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #154b5a;
/* rgb */ color: rgb(21, 75, 90);
/* oklch */ color: oklch(38.5% 0.060 220.2);

Tailwind

colors: {
  custom: {
    50: '#5e7d88',
    500: '#154b5a',
    950: '#000000',
  },
}

SCSS

$custom: #154b5a;
$custom-light: #5e7d88;
$custom-dark: #000000;

JSON

{
  "hex": "#154b5a",
  "rgb": {
    "r": 21,
    "g": 75,
    "b": 90
  },
  "hsl": {
    "h": 193.043,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.38515,
    "c": 0.06023,
    "h": 220.2
  },
  "luminance": 0.0593
}

Semantic roles & 50–950 ramp

primary

#154B5A

secondary

#924C39

accent

#6643E5

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #154B5A

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

Preview Lab → · Contrast checker → · Palette generator →