#153D5F#153D5F

#153D5F is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.074 H 247.6°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#153D5F
RGB	rgb(21, 61, 95)
HSL	hsl(208, 64%, 23%)
HSV	hsv(208, 78%, 37%)
CMYK	cmyk(77.9%, 35.8%, 0%, 62.7%)
CIE-LAB	lab(24.71, -0.94, -24.20)
CIE-LCH	lch(24.71, 24.22, 267.77°)
OKLab	oklab(35% -0.0283 -0.0687)
OKLCH	oklch(35% 0.074 247.6)
XYZ	xyz(4.0428, 4.3227, 11.4455)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D5F #5F3715

analogous

#155F5C #153D5F #15185F

triadic

#153D5F #5F153D #3D5F15

tetradic

#153D5F #5C155F #5F3715 #185F15

square

#153D5F #5C155F #5F3715 #185F15

split-complementary

#153D5F #5F1518 #5F5C15

monochromatic

#061019 #0A1D2D #153D5F #205D91 #2B7DC3

Accessibility & contrast

On white

11.26

#153D5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#153D5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D5F

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D5F	#FFFFFF	#000000	##FFFFFF
##153D5F	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3E60

Deuteranopia (green-blind)

#23385E

Tritanopia (blue-blind)

#004549

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153d5f;
/* rgb */ color: rgb(21, 61, 95);
/* oklch */ color: oklch(35.0% 0.074 247.6);

Tailwind

colors: {
  custom: {
    50: '#5e728c',
    500: '#153d5f',
    950: '#000000',
  },
}

SCSS

$custom: #153d5f;
$custom-light: #5e728c;
$custom-dark: #000000;

JSON

{
  "hex": "#153d5f",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 95
  },
  "hsl": {
    "h": 207.568,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.35001,
    "c": 0.07426,
    "h": 247.6
  },
  "luminance": 0.04323
}

Semantic roles & 50–950 ramp

primary

#153D5F

secondary

#96643A

accent

#8D41E7

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #153D5F

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

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