#153D58#153D58

#153D58 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.6% C 0.065 H 241.8°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#153D58
RGB	rgb(21, 61, 88)
HSL	hsl(204, 61%, 21%)
HSV	hsv(204, 76%, 35%)
CMYK	cmyk(76.1%, 30.7%, 0%, 65.5%)
CIE-LAB	lab(24.33, -3.77, -20.24)
CIE-LCH	lch(24.33, 20.59, 259.45°)
OKLab	oklab(34.57% -0.0307 -0.0571)
OKLCH	oklch(34.57% 0.065 241.8)
XYZ	xyz(3.7388, 4.2011, 9.8445)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D58 #583015

analogous

#155852 #153D58 #151C58

triadic

#153D58 #58153D #3D5815

tetradic

#153D58 #521558 #583015 #1C5815

square

#153D58 #521558 #583015 #1C5815

split-complementary

#153D58 #58151C #585215

monochromatic

#061119 #091B27 #153D58 #215F89 #2D82BB

Accessibility & contrast

On white

11.41

#153D58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#153D58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D58

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D58	#FFFFFF	#000000	##FFFFFF
##153D58	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313D59

Deuteranopia (green-blind)

#273758

Tritanopia (blue-blind)

#004446

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153d58;
/* rgb */ color: rgb(21, 61, 88);
/* oklch */ color: oklch(34.6% 0.065 241.8);

Tailwind

colors: {
  custom: {
    50: '#5c7287',
    500: '#153d58',
    950: '#000000',
  },
}

SCSS

$custom: #153d58;
$custom-light: #5c7287;
$custom-dark: #000000;

JSON

{
  "hex": "#153d58",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 88
  },
  "hsl": {
    "h": 204.179,
    "s": 61.468,
    "l": 21.373
  },
  "oklch": {
    "l": 0.3457,
    "c": 0.06487,
    "h": 241.8
  },
  "luminance": 0.04201
}

Semantic roles & 50–950 ramp

primary

#153D58

secondary

#905C39

accent

#8443E5

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #153D58

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

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