#101951#101951

#101951 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.8% C 0.102 H 270.0°. Best body text is #FFFFFF at 16.41:1 contrast (WCAG AA passes).

Color values

HEX	#101951
RGB	rgb(16, 25, 81)
HSL	hsl(232, 67%, 19%)
HSV	hsv(232, 80%, 32%)
CMYK	cmyk(80.2%, 69.1%, 0%, 68.2%)
CIE-LAB	lab(11.95, 18.60, -35.38)
CIE-LCH	lch(11.95, 39.97, 297.73°)
OKLab	oklab(24.83% 0 -0.1022)
OKLCH	oklch(24.83% 0.102 270)
XYZ	xyz(2.0460, 1.3993, 7.9452)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101951 #514810

analogous

#103A51 #101951 #281051

triadic

#101951 #511019 #195110

tetradic

#101951 #51103A #514810 #105128

square

#101951 #51103A #514810 #105128

split-complementary

#101951 #512810 #3A5110

monochromatic

#05081A #06091E #101951 #1A2984 #2439B7

Accessibility & contrast

On white

16.41

#101951 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#101951 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101951

16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101951	#FFFFFF	#000000	##FFFFFF
##101951	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)

#002353

Deuteranopia (green-blind)

#001C50

Tritanopia (blue-blind)

#002832

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #101951;
/* rgb */ color: rgb(16, 25, 81);
/* oklch */ color: oklch(24.8% 0.102 270.0);

Tailwind

colors: {
  custom: {
    50: '#5a5582',
    500: '#101951',
    950: '#000000',
  },
}

SCSS

$custom: #101951;
$custom-light: #5a5582;
$custom-dark: #000000;

JSON

{
  "hex": "#101951",
  "rgb": {
    "r": 16,
    "g": 25,
    "b": 81
  },
  "hsl": {
    "h": 231.692,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24832,
    "c": 0.10225,
    "h": 270
  },
  "luminance": 0.014
}

Semantic roles & 50–950 ramp

primary

#101951

secondary

#8B7E32

accent

#D23EEA

background

#F5F4F8

surface

#E9E8EF

border

#C5C4CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #101951

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

Preview Lab → · Contrast checker → · Palette generator →