#151E5B#151E5B

#151E5B is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.2% C 0.109 H 270.7°. Best body text is #FFFFFF at 15.34:1 contrast (WCAG AA passes).

Color values

HEX	#151E5B
RGB	rgb(21, 30, 91)
HSL	hsl(232, 63%, 22%)
HSV	hsv(232, 77%, 36%)
CMYK	cmyk(76.9%, 67%, 0%, 64.3%)
CIE-LAB	lab(14.64, 19.75, -37.74)
CIE-LCH	lch(14.64, 42.60, 297.63°)
OKLab	oklab(27.2% 0.0014 -0.109)
OKLCH	oklch(27.2% 0.109 270.7)
XYZ	xyz(2.6612, 1.8430, 10.1110)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E5B #5B5215

analogous

#15415B #151E5B #2F155B

triadic

#151E5B #5B151E #1E5B15

tetradic

#151E5B #5B1541 #5B5215 #155B2F

square

#151E5B #5B1541 #5B5215 #155B2F

split-complementary

#151E5B #5B2F15 #415B15

monochromatic

#060819 #0A0E29 #151E5B #202E8D #2C3FBE

Accessibility & contrast

On white

15.34

#151E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#151E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E5B

15.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E5B	#FFFFFF	#000000	##FFFFFF
##151E5B	1.00	15.34	1.37	15.34
#FFFFFF	15.34	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285D

Deuteranopia (green-blind)

#00225A

Tritanopia (blue-blind)

#002E39

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #151e5b;
/* rgb */ color: rgb(21, 30, 91);
/* oklch */ color: oklch(27.2% 0.109 270.7);

Tailwind

colors: {
  custom: {
    50: '#5e598a',
    500: '#151e5b',
    950: '#000000',
  },
}

SCSS

$custom: #151e5b;
$custom-light: #5e598a;
$custom-dark: #000000;

JSON

{
  "hex": "#151e5b",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 91
  },
  "hsl": {
    "h": 232.286,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.27195,
    "c": 0.10899,
    "h": 270.7
  },
  "luminance": 0.01843
}

Semantic roles & 50–950 ramp

primary

#151E5B

secondary

#928739

accent

#D142E6

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #151E5B

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

Preview Lab → · Contrast checker → · Palette generator →