#153C6A#153C6A

#153C6A is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.5% C 0.091 H 254.7°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#153C6A
RGB	rgb(21, 60, 106)
HSL	hsl(212, 67%, 25%)
HSV	hsv(212, 80%, 42%)
CMYK	cmyk(80.2%, 43.4%, 0%, 58.4%)
CIE-LAB	lab(25.05, 4.29, -30.77)
CIE-LCH	lch(25.05, 31.07, 277.94°)
OKLab	oklab(35.48% -0.0241 -0.0879)
OKLCH	oklch(35.48% 0.091 254.7)
XYZ	xyz(4.5257, 4.4312, 14.2497)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C6A #6A4315

analogous

#15666A #153C6A #19156A

triadic

#153C6A #6A153C #3C6A15

tetradic

#153C6A #6A1566 #6A4315 #156A19

square

#153C6A #6A1566 #6A4315 #156A19

split-complementary

#153C6A #6A1915 #666A15

monochromatic

#050E1A #0B1F37 #153C6A #1F599D #2976D0

Accessibility & contrast

On white

11.13

#153C6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#153C6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C6A

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C6A	#FFFFFF	#000000	##FFFFFF
##153C6A	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)

#26406C

Deuteranopia (green-blind)

#173869

Tritanopia (blue-blind)

#00474D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153c6a;
/* rgb */ color: rgb(21, 60, 106);
/* oklch */ color: oklch(35.5% 0.091 254.7);

Tailwind

colors: {
  custom: {
    50: '#607195',
    500: '#153c6a',
    950: '#000000',
  },
}

SCSS

$custom: #153c6a;
$custom-light: #607195;
$custom-dark: #000000;

JSON

{
  "hex": "#153c6a",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 106
  },
  "hsl": {
    "h": 212.471,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35483,
    "c": 0.09118,
    "h": 254.7
  },
  "luminance": 0.04432
}

Semantic roles & 50–950 ramp

primary

#153C6A

secondary

#A1723A

accent

#9B3EEA

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #153C6A

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

Preview Lab → · Contrast checker → · Palette generator →