#153E65#153E65

#153E65 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.7% C 0.082 H 250.3°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#153E65
RGB	rgb(21, 62, 101)
HSL	hsl(209, 66%, 24%)
HSV	hsv(209, 79%, 40%)
CMYK	cmyk(79.2%, 38.6%, 0%, 60.4%)
CIE-LAB	lab(25.39, 0.84, -27.00)
CIE-LCH	lch(25.39, 27.02, 271.78°)
OKLab	oklab(35.65% -0.0275 -0.0769)
OKLCH	oklch(35.65% 0.082 250.3)
XYZ	xyz(4.3800, 4.5438, 12.9556)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E65 #653C15

analogous

#156564 #153E65 #151665

triadic

#153E65 #65153E #3E6515

tetradic

#153E65 #641565 #653C15 #166515

square

#153E65 #641565 #653C15 #166515

split-complementary

#153E65 #651516 #656415

monochromatic

#051019 #0A1F32 #153E65 #205D98 #2A7CCA

Accessibility & contrast

On white

11.00

#153E65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#153E65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E65

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E65	#FFFFFF	#000000	##FFFFFF
##153E65	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4067

Deuteranopia (green-blind)

#203964

Tritanopia (blue-blind)

#00474C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #153e65;
/* rgb */ color: rgb(21, 62, 101);
/* oklch */ color: oklch(35.7% 0.082 250.3);

Tailwind

colors: {
  custom: {
    50: '#5f7291',
    500: '#153e65',
    950: '#000000',
  },
}

SCSS

$custom: #153e65;
$custom-light: #5f7291;
$custom-dark: #000000;

JSON

{
  "hex": "#153e65",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 101
  },
  "hsl": {
    "h": 209.25,
    "s": 65.574,
    "l": 23.922
  },
  "oklch": {
    "l": 0.35651,
    "c": 0.08162,
    "h": 250.3
  },
  "luminance": 0.04544
}

Semantic roles & 50–950 ramp

primary

#153E65

secondary

#9C6A3A

accent

#923FE9

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #153E65

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

Preview Lab → · Contrast checker → · Palette generator →