#151C50#151C50

#151C50 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.7% C 0.095 H 272.1°. Best body text is #FFFFFF at 15.98:1 contrast (WCAG AA passes).

Color values

HEX	#151C50
RGB	rgb(21, 28, 80)
HSL	hsl(233, 58%, 20%)
HSV	hsv(233, 74%, 31%)
CMYK	cmyk(73.7%, 65%, 0%, 68.6%)
CIE-LAB	lab(13.04, 16.72, -32.91)
CIE-LCH	lch(13.04, 36.91, 296.93°)
OKLab	oklab(25.69% 0.0034 -0.0948)
OKLCH	oklch(25.69% 0.095 272.1)
XYZ	xyz(2.1720, 1.5689, 7.7762)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C50 #504915

analogous

#153A50 #151C50 #2B1550

triadic

#151C50 #50151C #1C5015

tetradic

#151C50 #50153A #504915 #15502B

square

#151C50 #50153A #504915 #15502B

split-complementary

#151C50 #502B15 #3A5015

monochromatic

#060818 #080B20 #151C50 #222D80 #2E3EB1

Accessibility & contrast

On white

15.98

#151C50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#151C50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C50

15.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C50	#FFFFFF	#000000	##FFFFFF
##151C50	1.00	15.98	1.31	15.98
#FFFFFF	15.98	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002452

Deuteranopia (green-blind)

#001F4F

Tritanopia (blue-blind)

#002932

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #151c50;
/* rgb */ color: rgb(21, 28, 80);
/* oklch */ color: oklch(25.7% 0.095 272.1);

Tailwind

colors: {
  custom: {
    50: '#5b5882',
    500: '#151c50',
    950: '#000000',
  },
}

SCSS

$custom: #151c50;
$custom-light: #5b5882;
$custom-dark: #000000;

JSON

{
  "hex": "#151c50",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 80
  },
  "hsl": {
    "h": 232.881,
    "s": 58.416,
    "l": 19.804
  },
  "oklch": {
    "l": 0.25691,
    "c": 0.09489,
    "h": 272.1
  },
  "luminance": 0.01569
}

Semantic roles & 50–950 ramp

primary

#151C50

secondary

#887E39

accent

#CF46E2

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #151C50

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

Preview Lab → · Contrast checker → · Palette generator →