#101E40#101E40

#101E40 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.4% C 0.067 H 265.0°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#101E40
RGB	rgb(16, 30, 64)
HSL	hsl(223, 60%, 16%)
HSV	hsv(223, 75%, 25%)
CMYK	cmyk(75%, 53.1%, 0%, 74.9%)
CIE-LAB	lab(12.02, 7.47, -23.49)
CIE-LCH	lch(12.02, 24.65, 287.64°)
OKLab	oklab(24.41% -0.0059 -0.0672)
OKLCH	oklch(24.41% 0.067 265)
XYZ	xyz(1.6031, 1.4087, 5.0369)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E40 #403210

analogous

#103640 #101E40 #1A1040

triadic

#101E40 #40101E #1E4010

tetradic

#101E40 #401036 #403210 #10401A

square

#101E40 #401036 #403210 #10401A

split-complementary

#101E40 #401A10 #364010

monochromatic

#060B18 #060B18 #101E40 #1C3571 #284CA2

Accessibility & contrast

On white

16.38

#101E40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#101E40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E40

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E40	#FFFFFF	#000000	##FFFFFF
##101E40	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D2241

Deuteranopia (green-blind)

#051D3F

Tritanopia (blue-blind)

#00262B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #101e40;
/* rgb */ color: rgb(16, 30, 64);
/* oklch */ color: oklch(24.4% 0.067 265.0);

Tailwind

colors: {
  custom: {
    50: '#555975',
    500: '#101e40',
    950: '#000000',
  },
}

SCSS

$custom: #101e40;
$custom-light: #555975;
$custom-dark: #000000;

JSON

{
  "hex": "#101e40",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 64
  },
  "hsl": {
    "h": 222.5,
    "s": 60,
    "l": 15.686
  },
  "oklch": {
    "l": 0.2441,
    "c": 0.06749,
    "h": 265
  },
  "luminance": 0.01409
}

Semantic roles & 50–950 ramp

primary

#101E40

secondary

#7A6532

accent

#B545E3

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #101E40

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

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