#100C26#100C26

#100C26 is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.7% C 0.052 H 286.9°. Best body text is #FFFFFF at 19.05:1 contrast (WCAG AA passes).

Color values

HEX	#100C26
RGB	rgb(16, 12, 38)
HSL	hsl(249, 52%, 10%)
HSV	hsv(249, 68%, 15%)
CMYK	cmyk(57.9%, 68.4%, 0%, 85.1%)
CIE-LAB	lab(4.63, 8.49, -16.26)
CIE-LCH	lch(4.63, 18.35, 297.57°)
OKLab	oklab(17.69% 0.015 -0.0494)
OKLCH	oklch(17.69% 0.052 286.9)
XYZ	xyz(0.6949, 0.5130, 1.8958)
Luminance	0.0051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.82

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100C26 #22260C

analogous

#0C1526 #100C26 #1D0C26

triadic

#100C26 #26100C #0C2610

tetradic

#100C26 #260C15 #22260C #0C261D

square

#100C26 #260C15 #22260C #0C261D

split-complementary

#100C26 #261D0C #15260C

monochromatic

#0A0717 #0A0717 #100C26 #241B55 #372983

Accessibility & contrast

On white

19.05

#100C26 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#100C26 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100C26

19.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100C26	#FFFFFF	#000000	##FFFFFF
##100C26	1.00	19.05	1.10	19.05
#FFFFFF	19.05	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021127

Deuteranopia (green-blind)

#020F25

Tritanopia (blue-blind)

#091217

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #100c26;
/* rgb */ color: rgb(16, 12, 38);
/* oklch */ color: oklch(17.7% 0.052 286.9);

Tailwind

colors: {
  custom: {
    50: '#4f4c60',
    500: '#100c26',
    950: '#000000',
  },
}

SCSS

$custom: #100c26;
$custom-light: #4f4c60;
$custom-dark: #000000;

JSON

{
  "hex": "#100c26",
  "rgb": {
    "r": 16,
    "g": 12,
    "b": 38
  },
  "hsl": {
    "h": 249.231,
    "s": 52,
    "l": 9.804
  },
  "oklch": {
    "l": 0.17688,
    "c": 0.05162,
    "h": 286.9
  },
  "luminance": 0.00513
}

Semantic roles & 50–950 ramp

primary

#100C26

secondary

#59612D

accent

#DB4CC5

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020105

muted

#787779

Preview Lab

Preview with #100C26

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

Preview Lab → · Contrast checker → · Palette generator →