#153D6C#153D6C

#153D6C is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.9% C 0.093 H 254.7°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#153D6C
RGB	rgb(21, 61, 108)
HSL	hsl(212, 67%, 25%)
HSV	hsv(212, 81%, 42%)
CMYK	cmyk(80.6%, 43.5%, 0%, 57.6%)
CIE-LAB	lab(25.50, 4.43, -31.33)
CIE-LCH	lch(25.50, 31.64, 278.05°)
OKLab	oklab(35.88% -0.0246 -0.0896)
OKLCH	oklch(35.88% 0.093 254.7)
XYZ	xyz(4.6838, 4.5791, 14.8214)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D6C #6C4415

analogous

#15686C #153D6C #19156C

triadic

#153D6C #6C153D #3D6C15

tetradic

#153D6C #6C1568 #6C4415 #156C19

square

#153D6C #6C1568 #6C4415 #156C19

split-complementary

#153D6C #6C1915 #686C15

monochromatic

#050E1A #0B2039 #153D6C #1F5A9F #2977D2

Accessibility & contrast

On white

10.96

#153D6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#153D6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D6C

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D6C	#FFFFFF	#000000	##FFFFFF
##153D6C	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26416E

Deuteranopia (green-blind)

#17396B

Tritanopia (blue-blind)

#00484F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #153d6c;
/* rgb */ color: rgb(21, 61, 108);
/* oklch */ color: oklch(35.9% 0.093 254.7);

Tailwind

colors: {
  custom: {
    50: '#617296',
    500: '#153d6c',
    950: '#000000',
  },
}

SCSS

$custom: #153d6c;
$custom-light: #617296;
$custom-dark: #000000;

JSON

{
  "hex": "#153d6c",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 108
  },
  "hsl": {
    "h": 212.414,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35876,
    "c": 0.09288,
    "h": 254.7
  },
  "luminance": 0.0458
}

Semantic roles & 50–950 ramp

primary

#153D6C

secondary

#A3733A

accent

#9B3DEA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #153D6C

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

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