#153F4E#153F4E

#153F4E is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.6% C 0.053 H 225.1°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#153F4E
RGB	rgb(21, 63, 78)
HSL	hsl(196, 58%, 19%)
HSV	hsv(196, 73%, 31%)
CMYK	cmyk(73.1%, 19.2%, 0%, 69.4%)
CIE-LAB	lab(24.53, -8.95, -13.36)
CIE-LCH	lch(24.53, 16.08, 236.18°)
OKLab	oklab(34.57% -0.0371 -0.0373)
OKLCH	oklch(34.57% 0.053 225.1)
XYZ	xyz(3.4614, 4.2641, 7.8469)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F4E #4E2415

analogous

#154E41 #153F4E #15234E

triadic

#153F4E #4E153F #3F4E15

tetradic

#153F4E #41154E #4E2415 #234E15

square

#153F4E #41154E #4E2415 #234E15

split-complementary

#153F4E #4E1523 #4E4115

monochromatic

#061318 #08181E #153F4E #22667E #2F8DAE

Accessibility & contrast

On white

11.33

#153F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#153F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F4E

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F4E	#FFFFFF	#000000	##FFFFFF
##153F4E	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373E4F

Deuteranopia (green-blind)

#2F384E

Tritanopia (blue-blind)

#004344

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153f4e;
/* rgb */ color: rgb(21, 63, 78);
/* oklch */ color: oklch(34.6% 0.053 225.1);

Tailwind

colors: {
  custom: {
    50: '#5a747f',
    500: '#153f4e',
    950: '#000000',
  },
}

SCSS

$custom: #153f4e;
$custom-light: #5a747f;
$custom-dark: #000000;

JSON

{
  "hex": "#153f4e",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 78
  },
  "hsl": {
    "h": 195.789,
    "s": 57.576,
    "l": 19.412
  },
  "oklch": {
    "l": 0.34568,
    "c": 0.05264,
    "h": 225.1
  },
  "luminance": 0.04265
}

Semantic roles & 50–950 ramp

primary

#153F4E

secondary

#864D39

accent

#6F47E1

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #153F4E

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

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