#101E3F#101E3F

#101E3F is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.3% C 0.066 H 264.7°. Best body text is #FFFFFF at 16.41:1 contrast (WCAG AA passes).

Color values

HEX	#101E3F
RGB	rgb(16, 30, 63)
HSL	hsl(222, 59%, 15%)
HSV	hsv(222, 75%, 25%)
CMYK	cmyk(74.6%, 52.4%, 0%, 75.3%)
CIE-LAB	lab(11.94, 7.04, -22.91)
CIE-LCH	lch(11.94, 23.97, 287.08°)
OKLab	oklab(24.33% -0.0061 -0.0655)
OKLCH	oklch(24.33% 0.066 264.7)
XYZ	xyz(1.5749, 1.3974, 4.8884)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E3F #3F3110

analogous

#10353F #101E3F #19103F

triadic

#101E3F #3F101E #1E3F10

tetradic

#101E3F #3F1035 #3F3110 #103F19

square

#101E3F #3F1035 #3F3110 #103F19

split-complementary

#101E3F #3F1910 #353F10

monochromatic

#060C18 #060C18 #101E3F #1C3570 #294CA1

Accessibility & contrast

On white

16.41

#101E3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#101E3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E3F

16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E3F	#FFFFFF	#000000	##FFFFFF
##101E3F	1.00	16.41	1.28	16.41
#FFFFFF	16.41	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2240

Deuteranopia (green-blind)

#061D3E

Tritanopia (blue-blind)

#00262B

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #101e3f;
/* rgb */ color: rgb(16, 30, 63);
/* oklch */ color: oklch(24.3% 0.066 264.7);

Tailwind

colors: {
  custom: {
    50: '#545974',
    500: '#101e3f',
    950: '#000000',
  },
}

SCSS

$custom: #101e3f;
$custom-light: #545974;
$custom-dark: #000000;

JSON

{
  "hex": "#101e3f",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 63
  },
  "hsl": {
    "h": 222.128,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.24329,
    "c": 0.06579,
    "h": 264.7
  },
  "luminance": 0.01398
}

Semantic roles & 50–950 ramp

primary

#101E3F

secondary

#796432

accent

#B445E3

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #101E3F

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

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