#10154E#10154E

#10154E is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.7% C 0.103 H 271.8°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#10154E
RGB	rgb(16, 21, 78)
HSL	hsl(235, 66%, 18%)
HSV	hsv(235, 79%, 31%)
CMYK	cmyk(79.5%, 73.1%, 0%, 69.4%)
CIE-LAB	lab(10.53, 20.30, -35.65)
CIE-LCH	lch(10.53, 41.03, 299.65°)
OKLab	oklab(23.7% 0.0032 -0.1031)
OKLCH	oklch(23.7% 0.103 271.8)
XYZ	xyz(1.8565, 1.1964, 7.3393)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.27

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10154E #4E4910

analogous

#10344E #10154E #2A104E

triadic

#10154E #4E1015 #154E10

tetradic

#10154E #4E1034 #4E4910 #104E2A

square

#10154E #4E1034 #4E4910 #104E2A

split-complementary

#10154E #4E2A10 #344E10

monochromatic

#050719 #06071B #10154E #1A2381 #2530B4

Accessibility & contrast

On white

16.94

#10154E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#10154E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10154E

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10154E	#FFFFFF	#000000	##FFFFFF
##10154E	1.00	16.94	1.24	16.94
#FFFFFF	16.94	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F50

Deuteranopia (green-blind)

#001A4D

Tritanopia (blue-blind)

#00242F

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #10154e;
/* rgb */ color: rgb(16, 21, 78);
/* oklch */ color: oklch(23.7% 0.103 271.8);

Tailwind

colors: {
  custom: {
    50: '#595280',
    500: '#10154e',
    950: '#000000',
  },
}

SCSS

$custom: #10154e;
$custom-light: #595280;
$custom-dark: #000000;

JSON

{
  "hex": "#10154e",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 78
  },
  "hsl": {
    "h": 235.161,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.23696,
    "c": 0.10312,
    "h": 271.8
  },
  "luminance": 0.01197
}

Semantic roles & 50–950 ramp

primary

#10154E

secondary

#888132

accent

#DB3FE9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10154E

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

Preview Lab → · Contrast checker → · Palette generator →