#153C65#153C65

#153C65 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.1% C 0.084 H 252.4°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#153C65
RGB	rgb(21, 60, 101)
HSL	hsl(211, 66%, 24%)
HSV	hsv(211, 79%, 40%)
CMYK	cmyk(79.2%, 40.6%, 0%, 60.4%)
CIE-LAB	lab(24.73, 2.21, -28.05)
CIE-LCH	lch(24.73, 28.14, 274.51°)
OKLab	oklab(35.14% -0.0254 -0.08)
OKLCH	oklch(35.14% 0.084 252.4)
XYZ	xyz(4.2732, 4.3302, 12.9200)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C65 #653E15

analogous

#156465 #153C65 #161565

triadic

#153C65 #65153C #3C6515

tetradic

#153C65 #651564 #653E15 #156516

square

#153C65 #651564 #653E15 #156516

split-complementary

#153C65 #651615 #646515

monochromatic

#050F19 #0A1E32 #153C65 #205A98 #2A78CA

Accessibility & contrast

On white

11.25

#153C65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#153C65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C65

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C65	#FFFFFF	#000000	##FFFFFF
##153C65	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293F67

Deuteranopia (green-blind)

#1D3764

Tritanopia (blue-blind)

#00464B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153c65;
/* rgb */ color: rgb(21, 60, 101);
/* oklch */ color: oklch(35.1% 0.084 252.4);

Tailwind

colors: {
  custom: {
    50: '#5f7191',
    500: '#153c65',
    950: '#000000',
  },
}

SCSS

$custom: #153c65;
$custom-light: #5f7191;
$custom-dark: #000000;

JSON

{
  "hex": "#153c65",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 101
  },
  "hsl": {
    "h": 210.75,
    "s": 65.574,
    "l": 23.922
  },
  "oklch": {
    "l": 0.35135,
    "c": 0.0839,
    "h": 252.4
  },
  "luminance": 0.04331
}

Semantic roles & 50–950 ramp

primary

#153C65

secondary

#9C6C3A

accent

#963FE9

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070D

muted

#797A7D

Preview Lab

Preview with #153C65

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

Preview Lab → · Contrast checker → · Palette generator →