#153E55#153E55

#153E55 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.7% C 0.060 H 236.9°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#153E55
RGB	rgb(21, 62, 85)
HSL	hsl(202, 60%, 21%)
HSV	hsv(202, 75%, 33%)
CMYK	cmyk(75.3%, 27.1%, 0%, 66.7%)
CIE-LAB	lab(24.51, -5.62, -17.98)
CIE-LCH	lch(24.51, 18.84, 252.65°)
OKLab	oklab(34.67% -0.033 -0.0506)
OKLCH	oklch(34.67% 0.06 236.9)
XYZ	xyz(3.6709, 4.2602, 9.2214)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E55 #552C15

analogous

#15554C #153E55 #151E55

triadic

#153E55 #55153E #3E5515

tetradic

#153E55 #4C1555 #552C15 #1E5515

square

#153E55 #4C1555 #552C15 #1E5515

split-complementary

#153E55 #55151E #554C15

monochromatic

#061219 #091A24 #153E55 #216286 #2D86B7

Accessibility & contrast

On white

11.34

#153E55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#153E55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E55

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E55	#FFFFFF	#000000	##FFFFFF
##153E55	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333E56

Deuteranopia (green-blind)

#2A3755

Tritanopia (blue-blind)

#004446

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153e55;
/* rgb */ color: rgb(21, 62, 85);
/* oklch */ color: oklch(34.7% 0.060 236.9);

Tailwind

colors: {
  custom: {
    50: '#5c7385',
    500: '#153e55',
    950: '#000000',
  },
}

SCSS

$custom: #153e55;
$custom-light: #5c7385;
$custom-dark: #000000;

JSON

{
  "hex": "#153e55",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 85
  },
  "hsl": {
    "h": 201.563,
    "s": 60.377,
    "l": 20.784
  },
  "oklch": {
    "l": 0.34668,
    "c": 0.0604,
    "h": 236.9
  },
  "luminance": 0.04261
}

Semantic roles & 50–950 ramp

primary

#153E55

secondary

#8D5739

accent

#7E44E4

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #153E55

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

Preview Lab → · Contrast checker → · Palette generator →