#15405E#15405E

#15405E is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.070 H 242.9°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#15405E
RGB	rgb(21, 64, 94)
HSL	hsl(205, 63%, 23%)
HSV	hsv(205, 78%, 37%)
CMYK	cmyk(77.7%, 31.9%, 0%, 63.1%)
CIE-LAB	lab(25.67, -3.35, -22.05)
CIE-LCH	lch(25.67, 22.30, 261.35°)
OKLab	oklab(35.74% -0.0319 -0.0624)
OKLCH	oklch(35.74% 0.07 242.9)
XYZ	xyz(4.1623, 4.6339, 11.2626)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15405E #5E3315

analogous

#155E58 #15405E #151B5E

triadic

#15405E #5E1540 #405E15

tetradic

#15405E #58155E #5E3315 #1B5E15

square

#15405E #58155E #5E3315 #1B5E15

split-complementary

#15405E #5E151B #5E5815

monochromatic

#061119 #0A1E2C #15405E #206290 #2B84C2

Accessibility & contrast

On white

10.90

#15405E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#15405E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15405E

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15405E	#FFFFFF	#000000	##FFFFFF
##15405E	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32415F

Deuteranopia (green-blind)

#283A5D

Tritanopia (blue-blind)

#00474B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #15405e;
/* rgb */ color: rgb(21, 64, 94);
/* oklch */ color: oklch(35.7% 0.070 242.9);

Tailwind

colors: {
  custom: {
    50: '#5e748c',
    500: '#15405e',
    950: '#000000',
  },
}

SCSS

$custom: #15405e;
$custom-light: #5e748c;
$custom-dark: #000000;

JSON

{
  "hex": "#15405e",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 94
  },
  "hsl": {
    "h": 204.658,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.35735,
    "c": 0.07005,
    "h": 242.9
  },
  "luminance": 0.04634
}

Semantic roles & 50–950 ramp

primary

#15405E

secondary

#955F39

accent

#8541E7

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #15405E

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

Preview Lab → · Contrast checker → · Palette generator →