#15253F#15253F

#15253F is a dark, muted blue. Relative luminance 0.018; OKLCH L 26.5% C 0.054 H 259.7°. Best body text is #FFFFFF at 15.35:1 contrast (WCAG AA passes).

Color values

HEX	#15253F
RGB	rgb(21, 37, 63)
HSL	hsl(217, 50%, 16%)
HSV	hsv(217, 67%, 25%)
CMYK	cmyk(66.7%, 41.3%, 0%, 75.3%)
CIE-LAB	lab(14.63, 2.89, -18.61)
CIE-LCH	lch(14.63, 18.83, 278.84°)
OKLab	oklab(26.49% -0.0096 -0.0527)
OKLCH	oklch(26.49% 0.054 259.7)
XYZ	xyz(1.8677, 1.8413, 4.9586)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15253F #3F2F15

analogous

#153A3F #15253F #1A153F

triadic

#15253F #3F1525 #253F15

tetradic

#15253F #3F153A #3F2F15 #153F1A

square

#15253F #3F153A #3F2F15 #153F1A

split-complementary

#15253F #3F1A15 #3A3F15

monochromatic

#080D17 #080D17 #15253F #24406D #345B9B

Accessibility & contrast

On white

15.35

#15253F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#15253F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15253F

15.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15253F	#FFFFFF	#000000	##FFFFFF
##15253F	1.00	15.35	1.37	15.35
#FFFFFF	15.35	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2740

Deuteranopia (green-blind)

#15233E

Tritanopia (blue-blind)

#002B2F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #15253f;
/* rgb */ color: rgb(21, 37, 63);
/* oklch */ color: oklch(26.5% 0.054 259.7);

Tailwind

colors: {
  custom: {
    50: '#575f74',
    500: '#15253f',
    950: '#000000',
  },
}

SCSS

$custom: #15253f;
$custom-light: #575f74;
$custom-dark: #000000;

JSON

{
  "hex": "#15253f",
  "rgb": {
    "r": 21,
    "g": 37,
    "b": 63
  },
  "hsl": {
    "h": 217.143,
    "s": 50,
    "l": 16.471
  },
  "oklch": {
    "l": 0.26488,
    "c": 0.05355,
    "h": 259.7
  },
  "luminance": 0.01841
}

Semantic roles & 50–950 ramp

primary

#15253F

secondary

#775F39

accent

#A44EDA

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #15253F

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

Preview Lab → · Contrast checker → · Palette generator →