#152B7B#152B7B

#152B7B is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.0% C 0.138 H 266.5°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#152B7B
RGB	rgb(21, 43, 123)
HSL	hsl(227, 71%, 28%)
HSV	hsv(227, 83%, 48%)
CMYK	cmyk(82.9%, 65%, 0%, 51.8%)
CIE-LAB	lab(21.27, 23.49, -47.75)
CIE-LCH	lch(21.27, 53.21, 296.19°)
OKLab	oklab(33.03% -0.0084 -0.1382)
OKLCH	oklch(33.03% 0.138 266.5)
XYZ	xyz(4.7470, 3.3167, 19.1250)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152B7B #7B6515

analogous

#155E7B #152B7B #32157B

triadic

#152B7B #7B152B #2B7B15

tetradic

#152B7B #7B155E #7B6515 #157B32

square

#152B7B #7B155E #7B6515 #157B32

split-complementary

#152B7B #7B3215 #5E7B15

monochromatic

#04091A #0C1947 #152B7B #1E3DAF #2F54DB

Accessibility & contrast

On white

12.62

#152B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#152B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152B7B

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152B7B	#FFFFFF	#000000	##FFFFFF
##152B7B	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387E

Deuteranopia (green-blind)

#002E79

Tritanopia (blue-blind)

#00404E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #152b7b;
/* rgb */ color: rgb(21, 43, 123);
/* oklch */ color: oklch(33.0% 0.138 266.5);

Tailwind

colors: {
  custom: {
    50: '#6664a2',
    500: '#152b7b',
    950: '#000000',
  },
}

SCSS

$custom: #152b7b;
$custom-light: #6664a2;
$custom-dark: #000000;

JSON

{
  "hex": "#152b7b",
  "rgb": {
    "r": 21,
    "g": 43,
    "b": 123
  },
  "hsl": {
    "h": 227.059,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.33029,
    "c": 0.13842,
    "h": 266.5
  },
  "luminance": 0.03317
}

Semantic roles & 50–950 ramp

primary

#152B7B

secondary

#B0973B

accent

#C73AEE

background

#F6F5FA

surface

#EBEAF4

border

#C6C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #152B7B

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

Preview Lab → · Contrast checker → · Palette generator →