#151F61#151F61

#151F61 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.0% C 0.117 H 270.2°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#151F61
RGB	rgb(21, 31, 97)
HSL	hsl(232, 64%, 23%)
HSV	hsv(232, 78%, 38%)
CMYK	cmyk(78.4%, 68%, 0%, 62%)
CIE-LAB	lab(15.50, 21.47, -40.33)
CIE-LCH	lch(15.50, 45.69, 298.03°)
OKLab	oklab(28.01% 0.0004 -0.1166)
OKLCH	oklch(28.01% 0.117 270.2)
XYZ	xyz(2.9562, 2.0022, 11.5376)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F61 #615715

analogous

#154561 #151F61 #311561

triadic

#151F61 #61151F #1F6115

tetradic

#151F61 #611545 #615715 #156131

square

#151F61 #611545 #615715 #156131

split-complementary

#151F61 #613115 #456115

monochromatic

#050819 #0A0F2F #151F61 #202F93 #2B3FC6

Accessibility & contrast

On white

15.00

#151F61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#151F61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F61

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F61	#FFFFFF	#000000	##FFFFFF
##151F61	1.00	15.00	1.40	15.00
#FFFFFF	15.00	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A63

Deuteranopia (green-blind)

#002360

Tritanopia (blue-blind)

#00303C

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #151f61;
/* rgb */ color: rgb(21, 31, 97);
/* oklch */ color: oklch(28.0% 0.117 270.2);

Tailwind

colors: {
  custom: {
    50: '#605a8f',
    500: '#151f61',
    950: '#000000',
  },
}

SCSS

$custom: #151f61;
$custom-light: #605a8f;
$custom-dark: #000000;

JSON

{
  "hex": "#151f61",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 97
  },
  "hsl": {
    "h": 232.105,
    "s": 64.407,
    "l": 23.137
  },
  "oklch": {
    "l": 0.28006,
    "c": 0.11658,
    "h": 270.2
  },
  "luminance": 0.02002
}

Semantic roles & 50–950 ramp

primary

#151F61

secondary

#988C3A

accent

#D140E7

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #151F61

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

Preview Lab → · Contrast checker → · Palette generator →