#153C50#153C50

#153C50 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.8% C 0.056 H 234.3°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#153C50
RGB	rgb(21, 60, 80)
HSL	hsl(200, 58%, 20%)
HSV	hsv(200, 74%, 31%)
CMYK	cmyk(73.7%, 25%, 0%, 68.6%)
CIE-LAB	lab(23.57, -6.27, -16.15)
CIE-LCH	lch(23.57, 17.32, 248.79°)
OKLab	oklab(33.84% -0.0326 -0.0453)
OKLCH	oklch(33.84% 0.056 234.3)
XYZ	xyz(3.3725, 3.9700, 8.1764)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C50 #502915

analogous

#155047 #153C50 #151F50

triadic

#153C50 #50153C #3C5015

tetradic

#153C50 #471550 #502915 #1F5015

square

#153C50 #471550 #502915 #1F5015

split-complementary

#153C50 #50151F #504715

monochromatic

#061218 #081820 #153C50 #226080 #2E85B1

Accessibility & contrast

On white

11.71

#153C50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#153C50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C50

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C50	#FFFFFF	#000000	##FFFFFF
##153C50	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323B51

Deuteranopia (green-blind)

#2A3650

Tritanopia (blue-blind)

#004143

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #153c50;
/* rgb */ color: rgb(21, 60, 80);
/* oklch */ color: oklch(33.8% 0.056 234.3);

Tailwind

colors: {
  custom: {
    50: '#5b7181',
    500: '#153c50',
    950: '#000000',
  },
}

SCSS

$custom: #153c50;
$custom-light: #5b7181;
$custom-dark: #000000;

JSON

{
  "hex": "#153c50",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 80
  },
  "hsl": {
    "h": 200.339,
    "s": 58.416,
    "l": 19.804
  },
  "oklch": {
    "l": 0.33838,
    "c": 0.05586,
    "h": 234.3
  },
  "luminance": 0.0397
}

Semantic roles & 50–950 ramp

primary

#153C50

secondary

#885439

accent

#7B46E2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #153C50

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

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