#152D7B#152D7B

#152D7B is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.4% C 0.136 H 265.9°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#152D7B
RGB	rgb(21, 45, 123)
HSL	hsl(226, 71%, 28%)
HSV	hsv(226, 83%, 48%)
CMYK	cmyk(82.9%, 63.4%, 0%, 51.8%)
CIE-LAB	lab(21.82, 22.07, -46.85)
CIE-LCH	lch(21.82, 51.79, 295.23°)
OKLab	oklab(33.44% -0.0096 -0.1355)
OKLCH	oklch(33.44% 0.136 265.9)
XYZ	xyz(4.8215, 3.4657, 19.1499)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152D7B #7B6315

analogous

#15607B #152D7B #30157B

triadic

#152D7B #7B152D #2D7B15

tetradic

#152D7B #7B1560 #7B6315 #157B30

square

#152D7B #7B1560 #7B6315 #157B30

split-complementary

#152D7B #7B3015 #607B15

monochromatic

#040A1A #0C1A47 #152D7B #1E40AF #2F58DB

Accessibility & contrast

On white

12.40

#152D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#152D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152D7B

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152D7B	#FFFFFF	#000000	##FFFFFF
##152D7B	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397E

Deuteranopia (green-blind)

#00307A

Tritanopia (blue-blind)

#00414F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #152d7b;
/* rgb */ color: rgb(21, 45, 123);
/* oklch */ color: oklch(33.4% 0.136 265.9);

Tailwind

colors: {
  custom: {
    50: '#6665a2',
    500: '#152d7b',
    950: '#000000',
  },
}

SCSS

$custom: #152d7b;
$custom-light: #6665a2;
$custom-dark: #000000;

JSON

{
  "hex": "#152d7b",
  "rgb": {
    "r": 21,
    "g": 45,
    "b": 123
  },
  "hsl": {
    "h": 225.882,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.33437,
    "c": 0.13584,
    "h": 265.9
  },
  "luminance": 0.03466
}

Semantic roles & 50–950 ramp

primary

#152D7B

secondary

#B0953B

accent

#C33AEE

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #152D7B

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

Preview Lab → · Contrast checker → · Palette generator →