#101755#101755

#101755 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.9% C 0.111 H 270.6°. Best body text is #FFFFFF at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#101755
RGB	rgb(16, 23, 85)
HSL	hsl(234, 68%, 20%)
HSV	hsv(234, 81%, 33%)
CMYK	cmyk(81.2%, 72.9%, 0%, 66.7%)
CIE-LAB	lab(11.81, 21.72, -38.33)
CIE-LCH	lch(11.81, 44.06, 299.53°)
OKLab	oklab(24.86% 0.0011 -0.1109)
OKLCH	oklch(24.86% 0.111 270.6)
XYZ	xyz(2.1592, 1.3786, 8.7449)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101755 #554E10

analogous

#103A55 #101755 #2C1055

triadic

#101755 #551017 #175510

tetradic

#101755 #55103A #554E10 #10552C

square

#101755 #55103A #554E10 #10552C

split-complementary

#101755 #552C10 #3A5510

monochromatic

#05071A #060921 #101755 #1A2589 #2333BC

Accessibility & contrast

On white

16.46

#101755 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#101755 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101755

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101755	#FFFFFF	#000000	##FFFFFF
##101755	1.00	16.46	1.28	16.46
#FFFFFF	16.46	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002257

Deuteranopia (green-blind)

#001C54

Tritanopia (blue-blind)

#002833

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #101755;
/* rgb */ color: rgb(16, 23, 85);
/* oklch */ color: oklch(24.9% 0.111 270.6);

Tailwind

colors: {
  custom: {
    50: '#5b5486',
    500: '#101755',
    950: '#000000',
  },
}

SCSS

$custom: #101755;
$custom-light: #5b5486;
$custom-dark: #000000;

JSON

{
  "hex": "#101755",
  "rgb": {
    "r": 16,
    "g": 23,
    "b": 85
  },
  "hsl": {
    "h": 233.913,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.24858,
    "c": 0.11091,
    "h": 270.6
  },
  "luminance": 0.01379
}

Semantic roles & 50–950 ramp

primary

#101755

secondary

#8F8532

accent

#D93DEB

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #101755

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

Preview Lab → · Contrast checker → · Palette generator →