#101958#101958

#101958 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.6% C 0.113 H 269.8°. Best body text is #FFFFFF at 16.13:1 contrast (WCAG AA passes).

Color values

HEX	#101958
RGB	rgb(16, 25, 88)
HSL	hsl(233, 69%, 20%)
HSV	hsv(233, 82%, 35%)
CMYK	cmyk(81.8%, 71.6%, 0%, 65.5%)
CIE-LAB	lab(12.67, 21.51, -38.96)
CIE-LCH	lch(12.67, 44.51, 298.90°)
OKLab	oklab(25.58% -0.0004 -0.1127)
OKLCH	oklch(25.58% 0.113 269.8)
XYZ	xyz(2.3222, 1.5097, 9.3997)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101958 #584F10

analogous

#103D58 #101958 #2B1058

triadic

#101958 #581019 #195810

tetradic

#101958 #58103D #584F10 #10582B

square

#101958 #58103D #584F10 #10582B

split-complementary

#101958 #582B10 #3D5810

monochromatic

#05071A #070A24 #101958 #19288C #2336C0

Accessibility & contrast

On white

16.13

#101958 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#101958 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101958

16.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101958	#FFFFFF	#000000	##FFFFFF
##101958	1.00	16.13	1.30	16.13
#FFFFFF	16.13	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245A

Deuteranopia (green-blind)

#001D57

Tritanopia (blue-blind)

#002A36

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #101958;
/* rgb */ color: rgb(16, 25, 88);
/* oklch */ color: oklch(25.6% 0.113 269.8);

Tailwind

colors: {
  custom: {
    50: '#5c5588',
    500: '#101958',
    950: '#000000',
  },
}

SCSS

$custom: #101958;
$custom-light: #5c5588;
$custom-dark: #000000;

JSON

{
  "hex": "#101958",
  "rgb": {
    "r": 16,
    "g": 25,
    "b": 88
  },
  "hsl": {
    "h": 232.5,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.25578,
    "c": 0.11273,
    "h": 269.8
  },
  "luminance": 0.0151
}

Semantic roles & 50–950 ramp

primary

#101958

secondary

#918532

accent

#D63CEC

background

#F5F4F8

surface

#E9E8F0

border

#C5C4CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #101958

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

Preview Lab → · Contrast checker → · Palette generator →