#101E4F#101E4F

#101E4F is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.7% C 0.092 H 267.4°. Best body text is #FFFFFF at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#101E4F
RGB	rgb(16, 30, 79)
HSL	hsl(227, 66%, 19%)
HSV	hsv(227, 80%, 31%)
CMYK	cmyk(79.7%, 62%, 0%, 69%)
CIE-LAB	lab(13.25, 13.98, -31.90)
CIE-LCH	lch(13.25, 34.83, 293.67°)
OKLab	oklab(25.74% -0.0042 -0.092)
OKLCH	oklch(25.74% 0.092 267.4)
XYZ	xyz(2.0888, 1.6030, 7.5949)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E4F #4F4110

analogous

#103D4F #101E4F #21104F

triadic

#101E4F #4F101E #1E4F10

tetradic

#101E4F #4F103D #4F4110 #104F21

square

#101E4F #4F103D #4F4110 #104F21

split-complementary

#101E4F #4F2110 #3D4F10

monochromatic

#050A19 #060B1C #101E4F #1A3182 #2545B5

Accessibility & contrast

On white

15.90

#101E4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#101E4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E4F

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E4F	#FFFFFF	#000000	##FFFFFF
##101E4F	1.00	15.90	1.32	15.90
#FFFFFF	15.90	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002551

Deuteranopia (green-blind)

#001F4E

Tritanopia (blue-blind)

#002A33

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #101e4f;
/* rgb */ color: rgb(16, 30, 79);
/* oklch */ color: oklch(25.7% 0.092 267.4);

Tailwind

colors: {
  custom: {
    50: '#595981',
    500: '#101e4f',
    950: '#000000',
  },
}

SCSS

$custom: #101e4f;
$custom-light: #595981;
$custom-dark: #000000;

JSON

{
  "hex": "#101e4f",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 79
  },
  "hsl": {
    "h": 226.667,
    "s": 66.316,
    "l": 18.627
  },
  "oklch": {
    "l": 0.25737,
    "c": 0.09205,
    "h": 267.4
  },
  "luminance": 0.01603
}

Semantic roles & 50–950 ramp

primary

#101E4F

secondary

#897532

accent

#C33FE9

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #101E4F

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

Preview Lab → · Contrast checker → · Palette generator →