#101A58#101A58

#101A58 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.8% C 0.111 H 269.4°. Best body text is #FFFFFF at 16.02:1 contrast (WCAG AA passes).

Color values

HEX	#101A58
RGB	rgb(16, 26, 88)
HSL	hsl(232, 69%, 20%)
HSV	hsv(232, 82%, 35%)
CMYK	cmyk(81.8%, 70.5%, 0%, 65.5%)
CIE-LAB	lab(12.94, 20.78, -38.51)
CIE-LCH	lch(12.94, 43.76, 298.35°)
OKLab	oklab(25.78% -0.0011 -0.1114)
OKLCH	oklch(25.78% 0.111 269.4)
XYZ	xyz(2.3439, 1.5533, 9.4069)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A58 #584E10

analogous

#103E58 #101A58 #2A1058

triadic

#101A58 #58101A #1A5810

tetradic

#101A58 #58103E #584E10 #10582A

square

#101A58 #58103E #584E10 #10582A

split-complementary

#101A58 #582A10 #3E5810

monochromatic

#05081A #070B24 #101A58 #19298C #2339C0

Accessibility & contrast

On white

16.02

#101A58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#101A58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A58

16.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A58	#FFFFFF	#000000	##FFFFFF
##101A58	1.00	16.02	1.31	16.02
#FFFFFF	16.02	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255A

Deuteranopia (green-blind)

#001E57

Tritanopia (blue-blind)

#002A36

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #101a58;
/* rgb */ color: rgb(16, 26, 88);
/* oklch */ color: oklch(25.8% 0.111 269.4);

Tailwind

colors: {
  custom: {
    50: '#5c5688',
    500: '#101a58',
    950: '#000000',
  },
}

SCSS

$custom: #101a58;
$custom-light: #5c5688;
$custom-dark: #000000;

JSON

{
  "hex": "#101a58",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 88
  },
  "hsl": {
    "h": 231.667,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.25777,
    "c": 0.11142,
    "h": 269.4
  },
  "luminance": 0.01554
}

Semantic roles & 50–950 ramp

primary

#101A58

secondary

#918432

accent

#D43CEC

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #101A58

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

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