#153B6C#153B6C

#153B6C is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.4% C 0.095 H 256.3°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#153B6C
RGB	rgb(21, 59, 108)
HSL	hsl(214, 67%, 25%)
HSV	hsv(214, 81%, 42%)
CMYK	cmyk(80.6%, 45.4%, 0%, 57.6%)
CIE-LAB	lab(24.86, 5.83, -32.36)
CIE-LCH	lch(24.86, 32.88, 280.21°)
OKLab	oklab(35.38% -0.0227 -0.0926)
OKLCH	oklch(35.38% 0.095 256.3)
XYZ	xyz(4.5790, 4.3695, 14.7865)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B6C #6C4615

analogous

#15666C #153B6C #1A156C

triadic

#153B6C #6C153B #3B6C15

tetradic

#153B6C #6C1566 #6C4615 #156C1A

square

#153B6C #6C1566 #6C4615 #156C1A

split-complementary

#153B6C #6C1A15 #666C15

monochromatic

#050E1A #0B1F39 #153B6C #1F579F #2973D2

Accessibility & contrast

On white

11.21

#153B6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#153B6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B6C

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B6C	#FFFFFF	#000000	##FFFFFF
##153B6C	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#233F6E

Deuteranopia (green-blind)

#12376B

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153b6c;
/* rgb */ color: rgb(21, 59, 108);
/* oklch */ color: oklch(35.4% 0.095 256.3);

Tailwind

colors: {
  custom: {
    50: '#617096',
    500: '#153b6c',
    950: '#000000',
  },
}

SCSS

$custom: #153b6c;
$custom-light: #617096;
$custom-dark: #000000;

JSON

{
  "hex": "#153b6c",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 108
  },
  "hsl": {
    "h": 213.793,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35376,
    "c": 0.09536,
    "h": 256.3
  },
  "luminance": 0.0437
}

Semantic roles & 50–950 ramp

primary

#153B6C

secondary

#A3753A

accent

#9F3DEA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #153B6C

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

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