#152F7B#152F7B

#152F7B is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.9% C 0.133 H 265.3°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#152F7B
RGB	rgb(21, 47, 123)
HSL	hsl(225, 71%, 28%)
HSV	hsv(225, 83%, 48%)
CMYK	cmyk(82.9%, 61.8%, 0%, 51.8%)
CIE-LAB	lab(22.38, 20.66, -45.93)
CIE-LCH	lch(22.38, 50.36, 294.21°)
OKLab	oklab(33.86% -0.0109 -0.1328)
OKLCH	oklch(33.86% 0.133 265.3)
XYZ	xyz(4.8997, 3.6219, 19.1759)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152F7B #7B6115

analogous

#15627B #152F7B #2E157B

triadic

#152F7B #7B152F #2F7B15

tetradic

#152F7B #7B1562 #7B6115 #157B2E

square

#152F7B #7B1562 #7B6115 #157B2E

split-complementary

#152F7B #7B2E15 #627B15

monochromatic

#040A1A #0C1B47 #152F7B #1E43AF #2F5BDB

Accessibility & contrast

On white

12.18

#152F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#152F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152F7B

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152F7B	#FFFFFF	#000000	##FFFFFF
##152F7B	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7E

Deuteranopia (green-blind)

#00317A

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #152f7b;
/* rgb */ color: rgb(21, 47, 123);
/* oklch */ color: oklch(33.9% 0.133 265.3);

Tailwind

colors: {
  custom: {
    50: '#6567a2',
    500: '#152f7b',
    950: '#000000',
  },
}

SCSS

$custom: #152f7b;
$custom-light: #6567a2;
$custom-dark: #000000;

JSON

{
  "hex": "#152f7b",
  "rgb": {
    "r": 21,
    "g": 47,
    "b": 123
  },
  "hsl": {
    "h": 224.706,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.33855,
    "c": 0.13324,
    "h": 265.3
  },
  "luminance": 0.03623
}

Semantic roles & 50–950 ramp

primary

#152F7B

secondary

#B0933B

accent

#C03AEE

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #152F7B

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

Preview Lab → · Contrast checker → · Palette generator →