#101E5C#101E5C

#101E5C is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.0% C 0.112 H 267.9°. Best body text is #FFFFFF at 15.42:1 contrast (WCAG AA passes).

Color values

HEX	#101E5C
RGB	rgb(16, 30, 92)
HSL	hsl(229, 70%, 21%)
HSV	hsv(229, 83%, 36%)
CMYK	cmyk(82.6%, 67.4%, 0%, 63.9%)
CIE-LAB	lab(14.46, 19.52, -38.71)
CIE-LCH	lch(14.46, 43.36, 296.76°)
OKLab	oklab(27.02% -0.004 -0.1119)
OKLCH	oklch(27.02% 0.112 267.9)
XYZ	xyz(2.6091, 1.8111, 10.3352)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E5C #5C4E10

analogous

#10445C #101E5C #28105C

triadic

#101E5C #5C101E #1E5C10

tetradic

#101E5C #5C1044 #5C4E10 #105C28

square

#101E5C #5C1044 #5C4E10 #105C28

split-complementary

#101E5C #5C2810 #445C10

monochromatic

#05091A #070D28 #101E5C #192F90 #2240C4

Accessibility & contrast

On white

15.42

#101E5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#101E5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E5C

15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E5C	#FFFFFF	#000000	##FFFFFF
##101E5C	1.00	15.42	1.36	15.42
#FFFFFF	15.42	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285E

Deuteranopia (green-blind)

#00215B

Tritanopia (blue-blind)

#002E39

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #101e5c;
/* rgb */ color: rgb(16, 30, 92);
/* oklch */ color: oklch(27.0% 0.112 267.9);

Tailwind

colors: {
  custom: {
    50: '#5d598b',
    500: '#101e5c',
    950: '#000000',
  },
}

SCSS

$custom: #101e5c;
$custom-light: #5d598b;
$custom-dark: #000000;

JSON

{
  "hex": "#101e5c",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 92
  },
  "hsl": {
    "h": 228.947,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.27019,
    "c": 0.11202,
    "h": 267.9
  },
  "luminance": 0.01811
}

Semantic roles & 50–950 ramp

primary

#101E5C

secondary

#958333

accent

#CC3BED

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #101E5C

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

Preview Lab → · Contrast checker → · Palette generator →