#101A41#101A41

#101A41 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.075 H 269.1°. Best body text is #FFFFFF at 16.85:1 contrast (WCAG AA passes).

Color values

HEX	#101A41
RGB	rgb(16, 26, 65)
HSL	hsl(228, 60%, 16%)
HSV	hsv(228, 75%, 25%)
CMYK	cmyk(75.4%, 60%, 0%, 74.5%)
CIE-LAB	lab(10.78, 11.00, -26.19)
CIE-LCH	lch(10.78, 28.40, 292.79°)
OKLab	oklab(23.5% -0.0012 -0.0752)
OKLCH	oklch(23.5% 0.075 269.1)
XYZ	xyz(1.5369, 1.2305, 5.1565)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A41 #413710

analogous

#103241 #101A41 #1E1041

triadic

#101A41 #41101A #1A4110

tetradic

#101A41 #411032 #413710 #10411E

square

#101A41 #411032 #413710 #10411E

split-complementary

#101A41 #411E10 #324110

monochromatic

#060A19 #060A19 #101A41 #1C2E72 #2841A3

Accessibility & contrast

On white

16.85

#101A41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#101A41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A41

16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A41	#FFFFFF	#000000	##FFFFFF
##101A41	1.00	16.85	1.25	16.85
#FFFFFF	16.85	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031F42

Deuteranopia (green-blind)

#001B40

Tritanopia (blue-blind)

#00232A

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #101a41;
/* rgb */ color: rgb(16, 26, 65);
/* oklch */ color: oklch(23.5% 0.075 269.1);

Tailwind

colors: {
  custom: {
    50: '#555676',
    500: '#101a41',
    950: '#000000',
  },
}

SCSS

$custom: #101a41;
$custom-light: #555676;
$custom-dark: #000000;

JSON

{
  "hex": "#101a41",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 65
  },
  "hsl": {
    "h": 227.755,
    "s": 60.494,
    "l": 15.882
  },
  "oklch": {
    "l": 0.23497,
    "c": 0.07523,
    "h": 269.1
  },
  "luminance": 0.01231
}

Semantic roles & 50–950 ramp

primary

#101A41

secondary

#7B6C32

accent

#C344E4

background

#F5F5F7

surface

#E9E8ED

border

#C5C4C8

text

#030308

muted

#78787B

Preview Lab

Preview with #101A41

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

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