#151F5E#151F5E

#151F5E is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.7% C 0.112 H 270.3°. Best body text is #FFFFFF at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#151F5E
RGB	rgb(21, 31, 94)
HSL	hsl(232, 63%, 23%)
HSV	hsv(232, 78%, 37%)
CMYK	cmyk(77.7%, 67%, 0%, 63.1%)
CIE-LAB	lab(15.21, 20.25, -38.82)
CIE-LCH	lch(15.21, 43.78, 297.55°)
OKLab	oklab(27.7% 0.0005 -0.1121)
OKLCH	oklch(27.7% 0.112 270.3)
XYZ	xyz(2.8189, 1.9473, 10.8148)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F5E #5E5415

analogous

#15435E #151F5E #30155E

triadic

#151F5E #5E151F #1F5E15

tetradic

#151F5E #5E1543 #5E5415 #155E30

square

#151F5E #5E1543 #5E5415 #155E30

split-complementary

#151F5E #5E3015 #435E15

monochromatic

#060819 #0A0F2C #151F5E #202F90 #2B40C2

Accessibility & contrast

On white

15.11

#151F5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#151F5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F5E

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F5E	#FFFFFF	#000000	##FFFFFF
##151F5E	1.00	15.11	1.39	15.11
#FFFFFF	15.11	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A60

Deuteranopia (green-blind)

#00235D

Tritanopia (blue-blind)

#002F3B

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #151f5e;
/* rgb */ color: rgb(21, 31, 94);
/* oklch */ color: oklch(27.7% 0.112 270.3);

Tailwind

colors: {
  custom: {
    50: '#5f5a8c',
    500: '#151f5e',
    950: '#000000',
  },
}

SCSS

$custom: #151f5e;
$custom-light: #5f5a8c;
$custom-dark: #000000;

JSON

{
  "hex": "#151f5e",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 94
  },
  "hsl": {
    "h": 231.781,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.27702,
    "c": 0.11213,
    "h": 270.3
  },
  "luminance": 0.01948
}

Semantic roles & 50–950 ramp

primary

#151F5E

secondary

#958939

accent

#D041E7

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #151F5E

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

Preview Lab → · Contrast checker → · Palette generator →