#101B45#101B45

#101B45 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.1% C 0.080 H 268.6°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#101B45
RGB	rgb(16, 27, 69)
HSL	hsl(228, 62%, 17%)
HSV	hsv(228, 77%, 27%)
CMYK	cmyk(76.8%, 60.9%, 0%, 72.9%)
CIE-LAB	lab(11.44, 11.96, -27.93)
CIE-LCH	lch(11.44, 30.38, 293.18°)
OKLab	oklab(24.1% -0.0019 -0.0803)
OKLCH	oklch(24.1% 0.08 268.6)
XYZ	xyz(1.6794, 1.3235, 5.7960)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101B45 #453A10

analogous

#103645 #101B45 #201045

triadic

#101B45 #45101B #1B4510

tetradic

#101B45 #451036 #453A10 #104520

square

#101B45 #451036 #453A10 #104520

split-complementary

#101B45 #452010 #364510

monochromatic

#060A19 #060A19 #101B45 #1C2E77 #2742A8

Accessibility & contrast

On white

16.60

#101B45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#101B45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101B45

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101B45	#FFFFFF	#000000	##FFFFFF
##101B45	1.00	16.60	1.26	16.60
#FFFFFF	16.60	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002146

Deuteranopia (green-blind)

#001C44

Tritanopia (blue-blind)

#00252C

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #101b45;
/* rgb */ color: rgb(16, 27, 69);
/* oklch */ color: oklch(24.1% 0.080 268.6);

Tailwind

colors: {
  custom: {
    50: '#565679',
    500: '#101b45',
    950: '#000000',
  },
}

SCSS

$custom: #101b45;
$custom-light: #565679;
$custom-dark: #000000;

JSON

{
  "hex": "#101b45",
  "rgb": {
    "r": 16,
    "g": 27,
    "b": 69
  },
  "hsl": {
    "h": 227.547,
    "s": 62.353,
    "l": 16.667
  },
  "oklch": {
    "l": 0.24101,
    "c": 0.08034,
    "h": 268.6
  },
  "luminance": 0.01324
}

Semantic roles & 50–950 ramp

primary

#101B45

secondary

#7F6F32

accent

#C442E5

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #101B45

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

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