#153B65#153B65

#153B65 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.9% C 0.085 H 253.3°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#153B65
RGB	rgb(21, 59, 101)
HSL	hsl(212, 66%, 24%)
HSV	hsv(212, 79%, 40%)
CMYK	cmyk(79.2%, 41.6%, 0%, 60.4%)
CIE-LAB	lab(24.41, 2.90, -28.57)
CIE-LCH	lch(24.41, 28.72, 275.80°)
OKLab	oklab(34.88% -0.0244 -0.0815)
OKLCH	oklch(34.88% 0.085 253.3)
XYZ	xyz(4.2213, 4.2265, 12.9027)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B65 #653F15

analogous

#156365 #153B65 #171565

triadic

#153B65 #65153B #3B6515

tetradic

#153B65 #651563 #653F15 #156517

square

#153B65 #651563 #653F15 #156517

split-complementary

#153B65 #651715 #636515

monochromatic

#050F19 #0A1D32 #153B65 #205998 #2A76CA

Accessibility & contrast

On white

11.38

#153B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#153B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B65

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B65	#FFFFFF	#000000	##FFFFFF
##153B65	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273E67

Deuteranopia (green-blind)

#1B3764

Tritanopia (blue-blind)

#00454B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153b65;
/* rgb */ color: rgb(21, 59, 101);
/* oklch */ color: oklch(34.9% 0.085 253.3);

Tailwind

colors: {
  custom: {
    50: '#5f7091',
    500: '#153b65',
    950: '#000000',
  },
}

SCSS

$custom: #153b65;
$custom-light: #5f7091;
$custom-dark: #000000;

JSON

{
  "hex": "#153b65",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 101
  },
  "hsl": {
    "h": 211.5,
    "s": 65.574,
    "l": 23.922
  },
  "oklch": {
    "l": 0.34879,
    "c": 0.08507,
    "h": 253.3
  },
  "luminance": 0.04227
}

Semantic roles & 50–950 ramp

primary

#153B65

secondary

#9C6D3A

accent

#983FE9

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070D

muted

#797A7D

Preview Lab

Preview with #153B65

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

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