#151850#151850

#151850 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.9% C 0.101 H 274.0°. Best body text is #FFFFFF at 16.43:1 contrast (WCAG AA passes).

Color values

HEX	#151850
RGB	rgb(21, 24, 80)
HSL	hsl(237, 58%, 20%)
HSV	hsv(237, 74%, 31%)
CMYK	cmyk(73.7%, 70%, 0%, 68.6%)
CIE-LAB	lab(11.90, 19.66, -34.77)
CIE-LCH	lch(11.90, 39.94, 299.49°)
OKLab	oklab(24.85% 0.0071 -0.1003)
OKLCH	oklch(24.85% 0.101 274)
XYZ	xyz(2.0834, 1.3917, 7.7467)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.99

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151850 #504D15

analogous

#153650 #151850 #301550

triadic

#151850 #501518 #185015

tetradic

#151850 #501536 #504D15 #155030

square

#151850 #501536 #504D15 #155030

split-complementary

#151850 #503015 #365015

monochromatic

#060718 #080920 #151850 #222780 #2E35B1

Accessibility & contrast

On white

16.43

#151850 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#151850 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151850

16.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151850	#FFFFFF	#000000	##FFFFFF
##151850	1.00	16.43	1.28	16.43
#FFFFFF	16.43	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002252

Deuteranopia (green-blind)

#001D4F

Tritanopia (blue-blind)

#002631

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #151850;
/* rgb */ color: rgb(21, 24, 80);
/* oklch */ color: oklch(24.9% 0.101 274.0);

Tailwind

colors: {
  custom: {
    50: '#5c5482',
    500: '#151850',
    950: '#000000',
  },
}

SCSS

$custom: #151850;
$custom-light: #5c5482;
$custom-dark: #000000;

JSON

{
  "hex": "#151850",
  "rgb": {
    "r": 21,
    "g": 24,
    "b": 80
  },
  "hsl": {
    "h": 236.949,
    "s": 58.416,
    "l": 19.804
  },
  "oklch": {
    "l": 0.24852,
    "c": 0.10056,
    "h": 274
  },
  "luminance": 0.01392
}

Semantic roles & 50–950 ramp

primary

#151850

secondary

#888439

accent

#DA46E2

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #151850

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

Preview Lab → · Contrast checker → · Palette generator →