#153E6F#153E6F

#153E6F is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.3% C 0.096 H 255.0°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#153E6F
RGB	rgb(21, 62, 111)
HSL	hsl(213, 68%, 26%)
HSV	hsv(213, 81%, 44%)
CMYK	cmyk(81.1%, 44.1%, 0%, 56.5%)
CIE-LAB	lab(26.02, 4.99, -32.42)
CIE-LCH	lch(26.02, 32.81, 278.75°)
OKLab	oklab(36.34% -0.0248 -0.0928)
OKLCH	oklch(36.34% 0.096 255)
XYZ	xyz(4.9001, 4.7518, 15.6948)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E6F #6F4615

analogous

#156B6F #153E6F #19156F

triadic

#153E6F #6F153E #3E6F15

tetradic

#153E6F #6F156B #6F4615 #156F19

square

#153E6F #6F156B #6F4615 #156F19

split-complementary

#153E6F #6F1915 #6B6F15

monochromatic

#050E1A #0B213C #153E6F #1F5BA2 #2877D6

Accessibility & contrast

On white

10.77

#153E6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#153E6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E6F

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E6F	#FFFFFF	#000000	##FFFFFF
##153E6F	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264271

Deuteranopia (green-blind)

#163A6E

Tritanopia (blue-blind)

#004A51

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #153e6f;
/* rgb */ color: rgb(21, 62, 111);
/* oklch */ color: oklch(36.3% 0.096 255.0);

Tailwind

colors: {
  custom: {
    50: '#617299',
    500: '#153e6f',
    950: '#000000',
  },
}

SCSS

$custom: #153e6f;
$custom-light: #617299;
$custom-dark: #000000;

JSON

{
  "hex": "#153e6f",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 111
  },
  "hsl": {
    "h": 212.667,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.36339,
    "c": 0.09602,
    "h": 255
  },
  "luminance": 0.04752
}

Semantic roles & 50–950 ramp

primary

#153E6F

secondary

#A5753A

accent

#9C3DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #153E6F

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

Preview Lab → · Contrast checker → · Palette generator →