#154A5B#154A5B

#154A5B is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.3% C 0.061 H 223.4°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#154A5B
RGB	rgb(21, 74, 91)
HSL	hsl(195, 63%, 22%)
HSV	hsv(195, 77%, 36%)
CMYK	cmyk(76.9%, 18.7%, 0%, 64.3%)
CIE-LAB	lab(28.93, -10.86, -15.03)
CIE-LCH	lch(28.93, 18.55, 234.14°)
OKLab	oklab(38.29% -0.0444 -0.042)
OKLCH	oklch(38.29% 0.061 223.4)
XYZ	xyz(4.6456, 5.8118, 10.7725)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154A5B #5B2615

analogous

#155B49 #154A5B #15275B

triadic

#154A5B #5B154A #4A5B15

tetradic

#154A5B #49155B #5B2615 #275B15

square

#154A5B #49155B #5B2615 #275B15

split-complementary

#154A5B #5B1527 #5B4915

monochromatic

#061419 #0A2229 #154A5B #20728D #2C9BBE

Accessibility & contrast

On white

9.71

#154A5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#154A5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154A5B

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154A5B	#FFFFFF	#000000	##FFFFFF
##154A5B	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40485C

Deuteranopia (green-blind)

#37415B

Tritanopia (blue-blind)

#004F4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #154a5b;
/* rgb */ color: rgb(21, 74, 91);
/* oklch */ color: oklch(38.3% 0.061 223.4);

Tailwind

colors: {
  custom: {
    50: '#5e7c89',
    500: '#154a5b',
    950: '#000000',
  },
}

SCSS

$custom: #154a5b;
$custom-light: #5e7c89;
$custom-dark: #000000;

JSON

{
  "hex": "#154a5b",
  "rgb": {
    "r": 21,
    "g": 74,
    "b": 91
  },
  "hsl": {
    "h": 194.571,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.38289,
    "c": 0.06115,
    "h": 223.4
  },
  "luminance": 0.05812
}

Semantic roles & 50–950 ramp

primary

#154A5B

secondary

#924F39

accent

#6A42E6

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #154A5B

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

Preview Lab → · Contrast checker → · Palette generator →