#153D65#153D65

#153D65 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.4% C 0.083 H 251.4°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#153D65
RGB	rgb(21, 61, 101)
HSL	hsl(210, 66%, 24%)
HSV	hsv(210, 79%, 40%)
CMYK	cmyk(79.2%, 39.6%, 0%, 60.4%)
CIE-LAB	lab(25.06, 1.52, -27.53)
CIE-LCH	lch(25.06, 27.57, 273.17°)
OKLab	oklab(35.39% -0.0264 -0.0784)
OKLCH	oklch(35.39% 0.083 251.4)
XYZ	xyz(4.3261, 4.4360, 12.9376)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D65 #653D15

analogous

#156565 #153D65 #151565

triadic

#153D65 #65153D #3D6515

tetradic

#153D65 #651565 #653D15 #156515

square

#153D65 #651565 #653D15 #156515

split-complementary

#153D65 #651515 #656515

monochromatic

#050F19 #0A1E32 #153D65 #205C98 #2A7ACA

Accessibility & contrast

On white

11.13

#153D65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#153D65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D65

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D65	#FFFFFF	#000000	##FFFFFF
##153D65	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3F67

Deuteranopia (green-blind)

#1E3864

Tritanopia (blue-blind)

#00464C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153d65;
/* rgb */ color: rgb(21, 61, 101);
/* oklch */ color: oklch(35.4% 0.083 251.4);

Tailwind

colors: {
  custom: {
    50: '#5f7291',
    500: '#153d65',
    950: '#000000',
  },
}

SCSS

$custom: #153d65;
$custom-light: #5f7291;
$custom-dark: #000000;

JSON

{
  "hex": "#153d65",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 101
  },
  "hsl": {
    "h": 210,
    "s": 65.574,
    "l": 23.922
  },
  "oklch": {
    "l": 0.35393,
    "c": 0.08275,
    "h": 251.4
  },
  "luminance": 0.04437
}

Semantic roles & 50–950 ramp

primary

#153D65

secondary

#9C6B3A

accent

#943FE9

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070D

muted

#797A7D

Preview Lab

Preview with #153D65

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

Preview Lab → · Contrast checker → · Palette generator →