#15257D#15257D

#15257D is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.1% C 0.149 H 268.0°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#15257D
RGB	rgb(21, 37, 125)
HSL	hsl(231, 71%, 29%)
HSV	hsv(231, 83%, 49%)
CMYK	cmyk(83.2%, 70.4%, 0%, 51%)
CIE-LAB	lab(19.89, 28.43, -51.28)
CIE-LCH	lch(19.89, 58.63, 299.01°)
OKLab	oklab(32.08% -0.0052 -0.1485)
OKLCH	oklch(32.08% 0.149 268)
XYZ	xyz(4.6712, 2.9627, 19.7237)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15257D #7D6D15

analogous

#15597D #15257D #39157D

triadic

#15257D #7D1525 #257D15

tetradic

#15257D #7D1559 #7D6D15 #157D39

square

#15257D #7D1559 #7D6D15 #157D39

split-complementary

#15257D #7D3915 #597D15

monochromatic

#04081A #0C1549 #15257D #1E35B1 #304BDC

Accessibility & contrast

On white

13.19

#15257D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#15257D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15257D

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15257D	#FFFFFF	#000000	##FFFFFF
##15257D	1.00	13.19	1.59	13.19
#FFFFFF	13.19	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003580

Deuteranopia (green-blind)

#002B7B

Tritanopia (blue-blind)

#003D4D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #15257d;
/* rgb */ color: rgb(21, 37, 125);
/* oklch */ color: oklch(32.1% 0.149 268.0);

Tailwind

colors: {
  custom: {
    50: '#675fa4',
    500: '#15257d',
    950: '#000000',
  },
}

SCSS

$custom: #15257d;
$custom-light: #675fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#15257d",
  "rgb": {
    "r": 21,
    "g": 37,
    "b": 125
  },
  "hsl": {
    "h": 230.769,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.32079,
    "c": 0.14862,
    "h": 268
  },
  "luminance": 0.02963
}

Semantic roles & 50–950 ramp

primary

#15257D

secondary

#B2A03C

accent

#D23AEE

background

#F6F5FA

surface

#EBE9F4

border

#C6C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #15257D

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

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