#101758#101758

#101758 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.2% C 0.115 H 270.4°. Best body text is #FFFFFF at 16.33:1 contrast (WCAG AA passes).

Color values

HEX	#101758
RGB	rgb(16, 23, 88)
HSL	hsl(234, 69%, 20%)
HSV	hsv(234, 82%, 35%)
CMYK	cmyk(81.8%, 73.9%, 0%, 65.5%)
CIE-LAB	lab(12.14, 22.93, -39.83)
CIE-LCH	lch(12.14, 45.97, 299.93°)
OKLab	oklab(25.19% 0.0008 -0.1153)
OKLCH	oklch(25.19% 0.115 270.4)
XYZ	xyz(2.2809, 1.4273, 9.3859)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101758 #585110

analogous

#103B58 #101758 #2D1058

triadic

#101758 #581017 #175810

tetradic

#101758 #58103B #585110 #10582D

square

#101758 #58103B #585110 #10582D

split-complementary

#101758 #582D10 #3B5810

monochromatic

#05071A #070924 #101758 #19258C #2332C0

Accessibility & contrast

On white

16.33

#101758 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#101758 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101758

16.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101758	#FFFFFF	#000000	##FFFFFF
##101758	1.00	16.33	1.29	16.33
#FFFFFF	16.33	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235A

Deuteranopia (green-blind)

#001C57

Tritanopia (blue-blind)

#002935

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #101758;
/* rgb */ color: rgb(16, 23, 88);
/* oklch */ color: oklch(25.2% 0.115 270.4);

Tailwind

colors: {
  custom: {
    50: '#5c5488',
    500: '#101758',
    950: '#000000',
  },
}

SCSS

$custom: #101758;
$custom-light: #5c5488;
$custom-dark: #000000;

JSON

{
  "hex": "#101758",
  "rgb": {
    "r": 16,
    "g": 23,
    "b": 88
  },
  "hsl": {
    "h": 234.167,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.25191,
    "c": 0.11529,
    "h": 270.4
  },
  "luminance": 0.01428
}

Semantic roles & 50–950 ramp

primary

#101758

secondary

#918832

accent

#DB3CEC

background

#F5F4F8

surface

#E9E7F0

border

#C5C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #101758

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

Preview Lab → · Contrast checker → · Palette generator →