#101C5F#101C5F

#101C5F is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.9% C 0.119 H 268.6°. Best body text is #FFFFFF at 15.52:1 contrast (WCAG AA passes).

Color values

HEX	#101C5F
RGB	rgb(16, 28, 95)
HSL	hsl(231, 71%, 22%)
HSV	hsv(231, 83%, 37%)
CMYK	cmyk(83.2%, 70.5%, 0%, 62.7%)
CIE-LAB	lab(14.21, 22.22, -41.13)
CIE-LCH	lch(14.21, 46.75, 298.39°)
OKLab	oklab(26.93% -0.0028 -0.119)
OKLCH	oklch(26.93% 0.119 268.6)
XYZ	xyz(2.6938, 1.7666, 11.0233)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101C5F #5F5310

analogous

#10445F #101C5F #2C105F

triadic

#101C5F #5F101C #1C5F10

tetradic

#101C5F #5F1044 #5F5310 #105F2C

square

#101C5F #5F1044 #5F5310 #105F2C

split-complementary

#101C5F #5F2C10 #445F10

monochromatic

#04081A #070D2B #101C5F #192B93 #223BC8

Accessibility & contrast

On white

15.52

#101C5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#101C5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C5F

15.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101C5F	#FFFFFF	#000000	##FFFFFF
##101C5F	1.00	15.52	1.35	15.52
#FFFFFF	15.52	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002861

Deuteranopia (green-blind)

#00205E

Tritanopia (blue-blind)

#002E3A

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #101c5f;
/* rgb */ color: rgb(16, 28, 95);
/* oklch */ color: oklch(26.9% 0.119 268.6);

Tailwind

colors: {
  custom: {
    50: '#5e588d',
    500: '#101c5f',
    950: '#000000',
  },
}

SCSS

$custom: #101c5f;
$custom-light: #5e588d;
$custom-dark: #000000;

JSON

{
  "hex": "#101c5f",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 95
  },
  "hsl": {
    "h": 230.886,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.26927,
    "c": 0.11906,
    "h": 268.6
  },
  "luminance": 0.01767
}

Semantic roles & 50–950 ramp

primary

#101C5F

secondary

#988933

accent

#D33AEE

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #101C5F

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

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