#153B58#153B58

#153B58 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.067 H 244.8°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#153B58
RGB	rgb(21, 59, 88)
HSL	hsl(206, 61%, 21%)
HSV	hsv(206, 76%, 35%)
CMYK	cmyk(76.1%, 33%, 0%, 65.5%)
CIE-LAB	lab(23.64, -2.43, -21.31)
CIE-LCH	lch(23.64, 21.45, 263.48°)
OKLab	oklab(34.03% -0.0284 -0.0603)
OKLCH	oklch(34.03% 0.067 244.8)
XYZ	xyz(3.6340, 3.9915, 9.8096)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B58 #583215

analogous

#155854 #153B58 #151A58

triadic

#153B58 #58153B #3B5815

tetradic

#153B58 #541558 #583215 #1A5815

square

#153B58 #541558 #583215 #1A5815

split-complementary

#153B58 #58151A #585415

monochromatic

#061119 #091A27 #153B58 #215C89 #2D7DBB

Accessibility & contrast

On white

11.68

#153B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#153B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B58

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B58	#FFFFFF	#000000	##FFFFFF
##153B58	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3C59

Deuteranopia (green-blind)

#253557

Tritanopia (blue-blind)

#004245

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #153b58;
/* rgb */ color: rgb(21, 59, 88);
/* oklch */ color: oklch(34.0% 0.067 244.8);

Tailwind

colors: {
  custom: {
    50: '#5c7087',
    500: '#153b58',
    950: '#000000',
  },
}

SCSS

$custom: #153b58;
$custom-light: #5c7087;
$custom-dark: #000000;

JSON

{
  "hex": "#153b58",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 88
  },
  "hsl": {
    "h": 205.97,
    "s": 61.468,
    "l": 21.373
  },
  "oklch": {
    "l": 0.34031,
    "c": 0.06664,
    "h": 244.8
  },
  "luminance": 0.03992
}

Semantic roles & 50–950 ramp

primary

#153B58

secondary

#905F39

accent

#8943E5

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #153B58

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

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