#153E58#153E58

#153E58 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.064 H 240.2°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#153E58
RGB	rgb(21, 62, 88)
HSL	hsl(203, 61%, 21%)
HSV	hsv(203, 76%, 35%)
CMYK	cmyk(76.1%, 29.5%, 0%, 65.5%)
CIE-LAB	lab(24.67, -4.43, -19.70)
CIE-LCH	lch(24.67, 20.20, 257.33°)
OKLab	oklab(34.84% -0.0318 -0.0556)
OKLCH	oklch(34.84% 0.064 240.2)
XYZ	xyz(3.7927, 4.3088, 9.8624)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E58 #582F15

analogous

#155851 #153E58 #151D58

triadic

#153E58 #58153E #3E5815

tetradic

#153E58 #511558 #582F15 #1D5815

square

#153E58 #511558 #582F15 #1D5815

split-complementary

#153E58 #58151D #585115

monochromatic

#061119 #091B27 #153E58 #216189 #2D84BB

Accessibility & contrast

On white

11.28

#153E58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#153E58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E58

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E58	#FFFFFF	#000000	##FFFFFF
##153E58	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323E59

Deuteranopia (green-blind)

#293858

Tritanopia (blue-blind)

#004547

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153e58;
/* rgb */ color: rgb(21, 62, 88);
/* oklch */ color: oklch(34.8% 0.064 240.2);

Tailwind

colors: {
  custom: {
    50: '#5c7387',
    500: '#153e58',
    950: '#000000',
  },
}

SCSS

$custom: #153e58;
$custom-light: #5c7387;
$custom-dark: #000000;

JSON

{
  "hex": "#153e58",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 88
  },
  "hsl": {
    "h": 203.284,
    "s": 61.468,
    "l": 21.373
  },
  "oklch": {
    "l": 0.34841,
    "c": 0.06405,
    "h": 240.2
  },
  "luminance": 0.04309
}

Semantic roles & 50–950 ramp

primary

#153E58

secondary

#905B39

accent

#8243E5

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #153E58

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

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