#154B5B#154B5B

#154B5B is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 38.6% C 0.061 H 221.7°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#154B5B
RGB	rgb(21, 75, 91)
HSL	hsl(194, 63%, 22%)
HSV	hsv(194, 77%, 36%)
CMYK	cmyk(76.9%, 17.6%, 0%, 64.3%)
CIE-LAB	lab(29.28, -11.47, -14.50)
CIE-LCH	lch(29.28, 18.49, 231.66°)
OKLab	oklab(38.57% -0.0455 -0.0405)
OKLCH	oklch(38.57% 0.061 221.7)
XYZ	xyz(4.7129, 5.9464, 10.7949)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154B5B #5B2515

analogous

#155B48 #154B5B #15285B

triadic

#154B5B #5B154B #4B5B15

tetradic

#154B5B #48155B #5B2515 #285B15

square

#154B5B #48155B #5B2515 #285B15

split-complementary

#154B5B #5B1528 #5B4815

monochromatic

#061419 #0A2229 #154B5B #20748D #2C9DBE

Accessibility & contrast

On white

9.59

#154B5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#154B5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154B5B

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154B5B	#FFFFFF	#000000	##FFFFFF
##154B5B	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42495C

Deuteranopia (green-blind)

#38425B

Tritanopia (blue-blind)

#005050

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #154b5b;
/* rgb */ color: rgb(21, 75, 91);
/* oklch */ color: oklch(38.6% 0.061 221.7);

Tailwind

colors: {
  custom: {
    50: '#5e7d89',
    500: '#154b5b',
    950: '#000000',
  },
}

SCSS

$custom: #154b5b;
$custom-light: #5e7d89;
$custom-dark: #000000;

JSON

{
  "hex": "#154b5b",
  "rgb": {
    "r": 21,
    "g": 75,
    "b": 91
  },
  "hsl": {
    "h": 193.714,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.38565,
    "c": 0.06097,
    "h": 221.7
  },
  "luminance": 0.05947
}

Semantic roles & 50–950 ramp

primary

#154B5B

secondary

#924E39

accent

#6842E6

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #154B5B

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

Preview Lab → · Contrast checker → · Palette generator →