#15404F#15404F

#15404F is a dark, muted cyan. Relative luminance 0.044; OKLCH L 34.9% C 0.053 H 224.7°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#15404F
RGB	rgb(21, 64, 79)
HSL	hsl(196, 58%, 20%)
HSV	hsv(196, 73%, 31%)
CMYK	cmyk(73.4%, 19%, 0%, 69%)
CIE-LAB	lab(24.92, -9.20, -13.41)
CIE-LCH	lch(24.92, 16.26, 235.54°)
OKLab	oklab(34.9% -0.0379 -0.0374)
OKLCH	oklch(34.9% 0.053 224.7)
XYZ	xyz(3.5534, 4.3903, 8.0558)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15404F #4F2415

analogous

#154F41 #15404F #15234F

triadic

#15404F #4F1540 #404F15

tetradic

#15404F #41154F #4F2415 #234F15

square

#15404F #41154F #4F2415 #234F15

split-complementary

#15404F #4F1523 #4F4115

monochromatic

#061418 #08191F #15404F #22677F #2F8EB0

Accessibility & contrast

On white

11.18

#15404F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#15404F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15404F

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15404F	#FFFFFF	#000000	##FFFFFF
##15404F	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383E50

Deuteranopia (green-blind)

#30394F

Tritanopia (blue-blind)

#004545

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #15404f;
/* rgb */ color: rgb(21, 64, 79);
/* oklch */ color: oklch(34.9% 0.053 224.7);

Tailwind

colors: {
  custom: {
    50: '#5b7480',
    500: '#15404f',
    950: '#000000',
  },
}

SCSS

$custom: #15404f;
$custom-light: #5b7480;
$custom-dark: #000000;

JSON

{
  "hex": "#15404f",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 79
  },
  "hsl": {
    "h": 195.517,
    "s": 58,
    "l": 19.608
  },
  "oklch": {
    "l": 0.34899,
    "c": 0.05328,
    "h": 224.7
  },
  "luminance": 0.04391
}

Semantic roles & 50–950 ramp

primary

#15404F

secondary

#874D39

accent

#6F47E1

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #15404F

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

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