#153C6D#153C6D

#153C6D is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.7% C 0.096 H 255.8°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#153C6D
RGB	rgb(21, 60, 109)
HSL	hsl(213, 68%, 25%)
HSV	hsv(213, 81%, 43%)
CMYK	cmyk(80.7%, 45%, 0%, 57.3%)
CIE-LAB	lab(25.24, 5.54, -32.38)
CIE-LCH	lch(25.24, 32.85, 279.72°)
OKLab	oklab(35.7% -0.0234 -0.0927)
OKLCH	oklch(35.7% 0.096 255.8)
XYZ	xyz(4.6844, 4.4947, 15.0857)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C6D #6D4615

analogous

#15686D #153C6D #1A156D

triadic

#153C6D #6D153C #3C6D15

tetradic

#153C6D #6D1568 #6D4615 #156D1A

square

#153C6D #6D1568 #6D4615 #156D1A

split-complementary

#153C6D #6D1A15 #686D15

monochromatic

#050E1A #0B203A #153C6D #1F58A0 #2974D4

Accessibility & contrast

On white

11.06

#153C6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#153C6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C6D

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C6D	#FFFFFF	#000000	##FFFFFF
##153C6D	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24406F

Deuteranopia (green-blind)

#14386C

Tritanopia (blue-blind)

#00484F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #153c6d;
/* rgb */ color: rgb(21, 60, 109);
/* oklch */ color: oklch(35.7% 0.096 255.8);

Tailwind

colors: {
  custom: {
    50: '#617197',
    500: '#153c6d',
    950: '#000000',
  },
}

SCSS

$custom: #153c6d;
$custom-light: #617197;
$custom-dark: #000000;

JSON

{
  "hex": "#153c6d",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 109
  },
  "hsl": {
    "h": 213.409,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35697,
    "c": 0.09557,
    "h": 255.8
  },
  "luminance": 0.04495
}

Semantic roles & 50–950 ramp

primary

#153C6D

secondary

#A3753A

accent

#9E3DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #153C6D

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

Preview Lab → · Contrast checker → · Palette generator →