#151E7B#151E7B

#151E7B is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.6% C 0.154 H 269.3°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#151E7B
RGB	rgb(21, 30, 123)
HSL	hsl(235, 71%, 28%)
HSV	hsv(235, 83%, 48%)
CMYK	cmyk(82.9%, 75.6%, 0%, 51.8%)
CIE-LAB	lab(18.00, 32.27, -53.13)
CIE-LCH	lch(18.00, 62.16, 301.28°)
OKLab	oklab(30.65% -0.0018 -0.1539)
OKLCH	oklch(30.65% 0.154 269.3)
XYZ	xyz(4.3475, 2.5175, 18.9919)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E7B #7B7215

analogous

#15517B #151E7B #3F157B

triadic

#151E7B #7B151E #1E7B15

tetradic

#151E7B #7B1551 #7B7215 #157B3F

square

#151E7B #7B1551 #7B7215 #157B3F

split-complementary

#151E7B #7B3F15 #517B15

monochromatic

#04061A #0C1147 #151E7B #1E2BAF #2F3EDB

Accessibility & contrast

On white

13.97

#151E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#151E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E7B

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E7B	#FFFFFF	#000000	##FFFFFF
##151E7B	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317E

Deuteranopia (green-blind)

#002779

Tritanopia (blue-blind)

#00394A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #151e7b;
/* rgb */ color: rgb(21, 30, 123);
/* oklch */ color: oklch(30.6% 0.154 269.3);

Tailwind

colors: {
  custom: {
    50: '#675aa2',
    500: '#151e7b',
    950: '#000000',
  },
}

SCSS

$custom: #151e7b;
$custom-light: #675aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#151e7b",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 123
  },
  "hsl": {
    "h": 234.706,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30646,
    "c": 0.15393,
    "h": 269.3
  },
  "luminance": 0.02518
}

Semantic roles & 50–950 ramp

primary

#151E7B

secondary

#B0A63B

accent

#DE3AEE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #151E7B

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

Preview Lab → · Contrast checker → · Palette generator →