#153F65#153F65

#153F65 is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 35.9% C 0.081 H 249.3°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#153F65
RGB	rgb(21, 63, 101)
HSL	hsl(209, 66%, 24%)
HSV	hsv(209, 79%, 40%)
CMYK	cmyk(79.2%, 37.6%, 0%, 60.4%)
CIE-LAB	lab(25.72, 0.16, -26.48)
CIE-LCH	lch(25.72, 26.48, 270.35°)
OKLab	oklab(35.91% -0.0285 -0.0753)
OKLCH	oklch(35.91% 0.081 249.3)
XYZ	xyz(4.4348, 4.6535, 12.9739)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F65 #653B15

analogous

#156563 #153F65 #151765

triadic

#153F65 #65153F #3F6515

tetradic

#153F65 #631565 #653B15 #176515

square

#153F65 #631565 #653B15 #176515

split-complementary

#153F65 #651517 #656315

monochromatic

#051019 #0A1F32 #153F65 #205F98 #2A7ECA

Accessibility & contrast

On white

10.88

#153F65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#153F65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F65

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F65	#FFFFFF	#000000	##FFFFFF
##153F65	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4167

Deuteranopia (green-blind)

#223A64

Tritanopia (blue-blind)

#00484D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #153f65;
/* rgb */ color: rgb(21, 63, 101);
/* oklch */ color: oklch(35.9% 0.081 249.3);

Tailwind

colors: {
  custom: {
    50: '#5f7391',
    500: '#153f65',
    950: '#000000',
  },
}

SCSS

$custom: #153f65;
$custom-light: #5f7391;
$custom-dark: #000000;

JSON

{
  "hex": "#153f65",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 101
  },
  "hsl": {
    "h": 208.5,
    "s": 65.574,
    "l": 23.922
  },
  "oklch": {
    "l": 0.35911,
    "c": 0.08053,
    "h": 249.3
  },
  "luminance": 0.04654
}

Semantic roles & 50–950 ramp

primary

#153F65

secondary

#9C683A

accent

#903FE9

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #153F65

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

Preview Lab → · Contrast checker → · Palette generator →