#10152F#10152F

#10152F is a very dark, muted blue. Relative luminance 0.009; OKLCH L 20.7% C 0.052 H 272.9°. Best body text is #FFFFFF at 17.94:1 contrast (WCAG AA passes).

Color values

HEX	#10152F
RGB	rgb(16, 21, 47)
HSL	hsl(230, 49%, 12%)
HSV	hsv(230, 66%, 18%)
CMYK	cmyk(66%, 55.3%, 0%, 81.6%)
CIE-LAB	lab(7.69, 7.24, -18.19)
CIE-LCH	lch(7.69, 19.58, 291.72°)
OKLab	oklab(20.69% 0.0026 -0.0518)
OKLCH	oklch(20.69% 0.052 272.9)
XYZ	xyz(0.9948, 0.8517, 2.8007)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.37

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10152F #2F2A10

analogous

#10242F #10152F #1B102F

triadic

#10152F #2F1015 #152F10

tetradic

#10152F #2F1024 #2F2A10 #102F1B

square

#10152F #2F1024 #2F2A10 #102F1B

split-complementary

#10152F #2F1B10 #242F10

monochromatic

#080A17 #080A17 #10152F #20295D #2F3E8A

Accessibility & contrast

On white

17.94

#10152F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#10152F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10152F

17.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10152F	#FFFFFF	#000000	##FFFFFF
##10152F	1.00	17.94	1.17	17.94
#FFFFFF	17.94	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#091830

Deuteranopia (green-blind)

#06162E

Tritanopia (blue-blind)

#031B1F

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #10152f;
/* rgb */ color: rgb(16, 21, 47);
/* oklch */ color: oklch(20.7% 0.052 272.9);

Tailwind

colors: {
  custom: {
    50: '#515167',
    500: '#10152f',
    950: '#000000',
  },
}

SCSS

$custom: #10152f;
$custom-light: #515167;
$custom-dark: #000000;

JSON

{
  "hex": "#10152f",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 47
  },
  "hsl": {
    "h": 230.323,
    "s": 49.206,
    "l": 12.353
  },
  "oklch": {
    "l": 0.20693,
    "c": 0.05187,
    "h": 272.9
  },
  "luminance": 0.00852
}

Semantic roles & 50–950 ramp

primary

#10152F

secondary

#685F33

accent

#C34FD9

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #10152F

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

Preview Lab → · Contrast checker → · Palette generator →