#101E5F#101E5F

#101E5F is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.3% C 0.116 H 268.0°. Best body text is #FFFFFF at 15.29:1 contrast (WCAG AA passes).

Color values

HEX	#101E5F
RGB	rgb(16, 30, 95)
HSL	hsl(229, 71%, 22%)
HSV	hsv(229, 83%, 37%)
CMYK	cmyk(83.2%, 68.4%, 0%, 62.7%)
CIE-LAB	lab(14.76, 20.78, -40.23)
CIE-LCH	lch(14.76, 45.27, 297.32°)
OKLab	oklab(27.33% -0.0041 -0.1164)
OKLCH	oklch(27.33% 0.116 268)
XYZ	xyz(2.7428, 1.8646, 11.0396)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E5F #5F5110

analogous

#10465F #101E5F #2A105F

triadic

#101E5F #5F101E #1E5F10

tetradic

#101E5F #5F1046 #5F5110 #105F2A

square

#101E5F #5F1046 #5F5110 #105F2A

split-complementary

#101E5F #5F2A10 #465F10

monochromatic

#04081A #070D2B #101E5F #192F93 #223FC8

Accessibility & contrast

On white

15.29

#101E5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#101E5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E5F

15.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E5F	#FFFFFF	#000000	##FFFFFF
##101E5F	1.00	15.29	1.37	15.29
#FFFFFF	15.29	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002961

Deuteranopia (green-blind)

#00225E

Tritanopia (blue-blind)

#002F3B

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #101e5f;
/* rgb */ color: rgb(16, 30, 95);
/* oklch */ color: oklch(27.3% 0.116 268.0);

Tailwind

colors: {
  custom: {
    50: '#5d598d',
    500: '#101e5f',
    950: '#000000',
  },
}

SCSS

$custom: #101e5f;
$custom-light: #5d598d;
$custom-dark: #000000;

JSON

{
  "hex": "#101e5f",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 95
  },
  "hsl": {
    "h": 229.367,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.27329,
    "c": 0.11645,
    "h": 268
  },
  "luminance": 0.01865
}

Semantic roles & 50–950 ramp

primary

#101E5F

secondary

#988633

accent

#CE3AEE

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #101E5F

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

Preview Lab → · Contrast checker → · Palette generator →