#101351#101351

#101351 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.7% C 0.110 H 272.2°. Best body text is #FFFFFF at 17.02:1 contrast (WCAG AA passes).

Color values

HEX	#101351
RGB	rgb(16, 19, 81)
HSL	hsl(237, 67%, 19%)
HSV	hsv(237, 80%, 32%)
CMYK	cmyk(80.2%, 76.5%, 0%, 68.2%)
CIE-LAB	lab(10.33, 22.94, -38.04)
CIE-LCH	lch(10.33, 44.42, 301.09°)
OKLab	oklab(23.65% 0.0042 -0.11)
OKLCH	oklch(23.65% 0.11 272.2)
XYZ	xyz(1.9313, 1.1698, 7.9070)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101351 #514E10

analogous

#103451 #101351 #2E1051

triadic

#101351 #511013 #135110

tetradic

#101351 #511034 #514E10 #10512E

square

#101351 #511034 #514E10 #10512E

split-complementary

#101351 #512E10 #345110

monochromatic

#05061A #06071E #101351 #1A1F84 #242BB7

Accessibility & contrast

On white

17.02

#101351 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#101351 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101351

17.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101351	#FFFFFF	#000000	##FFFFFF
##101351	1.00	17.02	1.23	17.02
#FFFFFF	17.02	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F53

Deuteranopia (green-blind)

#001950

Tritanopia (blue-blind)

#002430

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #101351;
/* rgb */ color: rgb(16, 19, 81);
/* oklch */ color: oklch(23.7% 0.110 272.2);

Tailwind

colors: {
  custom: {
    50: '#5a5183',
    500: '#101351',
    950: '#000000',
  },
}

SCSS

$custom: #101351;
$custom-light: #5a5183;
$custom-dark: #000000;

JSON

{
  "hex": "#101351",
  "rgb": {
    "r": 16,
    "g": 19,
    "b": 81
  },
  "hsl": {
    "h": 237.231,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.23652,
    "c": 0.11013,
    "h": 272.2
  },
  "luminance": 0.0117
}

Semantic roles & 50–950 ramp

primary

#101351

secondary

#8B8732

accent

#E23EEA

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #101351

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

Preview Lab → · Contrast checker → · Palette generator →