#151E4C#151E4C

#151E4C is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.8% C 0.086 H 270.9°. Best body text is #FFFFFF at 15.89:1 contrast (WCAG AA passes).

Color values

HEX	#151E4C
RGB	rgb(21, 30, 76)
HSL	hsl(230, 57%, 19%)
HSV	hsv(230, 72%, 30%)
CMYK	cmyk(72.4%, 60.5%, 0%, 70.2%)
CIE-LAB	lab(13.29, 13.56, -29.76)
CIE-LCH	lch(13.29, 32.71, 294.49°)
OKLab	oklab(25.77% 0.0013 -0.0855)
OKLCH	oklch(25.77% 0.086 270.9)
XYZ	xyz(2.0776, 1.6096, 7.0373)
Luminance	0.0161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.90

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E4C #4C4315

analogous

#153A4C #151E4C #28154C

triadic

#151E4C #4C151E #1E4C15

tetradic

#151E4C #4C153A #4C4315 #154C28

square

#151E4C #4C153A #4C4315 #154C28

split-complementary

#151E4C #4C2815 #3A4C15

monochromatic

#070918 #080B1C #151E4C #22317C #2F44AC

Accessibility & contrast

On white

15.89

#151E4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#151E4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E4C

15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E4C	#FFFFFF	#000000	##FFFFFF
##151E4C	1.00	15.89	1.32	15.89
#FFFFFF	15.89	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00254E

Deuteranopia (green-blind)

#00204B

Tritanopia (blue-blind)

#002931

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #151e4c;
/* rgb */ color: rgb(21, 30, 76);
/* oklch */ color: oklch(25.8% 0.086 270.9);

Tailwind

colors: {
  custom: {
    50: '#5a597e',
    500: '#151e4c',
    950: '#000000',
  },
}

SCSS

$custom: #151e4c;
$custom-light: #5a597e;
$custom-dark: #000000;

JSON

{
  "hex": "#151e4c",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 76
  },
  "hsl": {
    "h": 230.182,
    "s": 56.701,
    "l": 19.02
  },
  "oklch": {
    "l": 0.25766,
    "c": 0.08556,
    "h": 270.9
  },
  "luminance": 0.0161
}

Semantic roles & 50–950 ramp

primary

#151E4C

secondary

#847839

accent

#C748E0

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #151E4C

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

Preview Lab → · Contrast checker → · Palette generator →