#153C6C#153C6C

#153C6C is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.094 H 255.5°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#153C6C
RGB	rgb(21, 60, 108)
HSL	hsl(213, 67%, 25%)
HSV	hsv(213, 81%, 42%)
CMYK	cmyk(80.6%, 44.4%, 0%, 57.6%)
CIE-LAB	lab(25.18, 5.13, -31.84)
CIE-LCH	lch(25.18, 32.25, 279.15°)
OKLab	oklab(35.63% -0.0236 -0.0911)
OKLCH	oklch(35.63% 0.094 255.5)
XYZ	xyz(4.6309, 4.4733, 14.8038)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C6C #6C4515

analogous

#15686C #153C6C #19156C

triadic

#153C6C #6C153C #3C6C15

tetradic

#153C6C #6C1568 #6C4515 #156C19

square

#153C6C #6C1568 #6C4515 #156C19

split-complementary

#153C6C #6C1915 #686C15

monochromatic

#050E1A #0B2039 #153C6C #1F589F #2975D2

Accessibility & contrast

On white

11.08

#153C6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#153C6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C6C

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C6C	#FFFFFF	#000000	##FFFFFF
##153C6C	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24406E

Deuteranopia (green-blind)

#15386B

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #153c6c;
/* rgb */ color: rgb(21, 60, 108);
/* oklch */ color: oklch(35.6% 0.094 255.5);

Tailwind

colors: {
  custom: {
    50: '#617196',
    500: '#153c6c',
    950: '#000000',
  },
}

SCSS

$custom: #153c6c;
$custom-light: #617196;
$custom-dark: #000000;

JSON

{
  "hex": "#153c6c",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 108
  },
  "hsl": {
    "h": 213.103,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35625,
    "c": 0.09411,
    "h": 255.5
  },
  "luminance": 0.04474
}

Semantic roles & 50–950 ramp

primary

#153C6C

secondary

#A3743A

accent

#9D3DEA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #153C6C

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

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