#154C66#154C66

#154C66 is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.4% C 0.071 H 233.5°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#154C66
RGB	rgb(21, 76, 102)
HSL	hsl(199, 66%, 24%)
HSV	hsv(199, 79%, 40%)
CMYK	cmyk(79.4%, 25.5%, 0%, 60%)
CIE-LAB	lab(30.13, -7.90, -20.21)
CIE-LCH	lch(30.13, 21.70, 248.64°)
OKLab	oklab(39.41% -0.0421 -0.0569)
OKLCH	oklch(39.41% 0.071 233.5)
XYZ	xyz(5.2910, 6.2870, 13.5025)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154C66 #662F15

analogous

#156658 #154C66 #152466

triadic

#154C66 #66154C #4C6615

tetradic

#154C66 #581566 #662F15 #246615

square

#154C66 #581566 #662F15 #246615

split-complementary

#154C66 #661524 #665815

monochromatic

#051319 #0B2633 #154C66 #1F7299 #2A98CC

Accessibility & contrast

On white

9.30

#154C66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#154C66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154C66

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154C66	#FFFFFF	#000000	##FFFFFF
##154C66	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4B67

Deuteranopia (green-blind)

#344466

Tritanopia (blue-blind)

#005355

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #154c66;
/* rgb */ color: rgb(21, 76, 102);
/* oklch */ color: oklch(39.4% 0.071 233.5);

Tailwind

colors: {
  custom: {
    50: '#607e91',
    500: '#154c66',
    950: '#000000',
  },
}

SCSS

$custom: #154c66;
$custom-light: #607e91;
$custom-dark: #000000;

JSON

{
  "hex": "#154c66",
  "rgb": {
    "r": 21,
    "g": 76,
    "b": 102
  },
  "hsl": {
    "h": 199.259,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.39411,
    "c": 0.07077,
    "h": 233.5
  },
  "luminance": 0.06288
}

Semantic roles & 50–950 ramp

primary

#154C66

secondary

#9D5A3A

accent

#763FE9

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#05090D

muted

#7A7B7D

Preview Lab

Preview with #154C66

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

Preview Lab → · Contrast checker → · Palette generator →