#101A59#101A59

#101A59 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.113 H 269.4°. Best body text is #FFFFFF at 15.98:1 contrast (WCAG AA passes).

Color values

HEX	#101A59
RGB	rgb(16, 26, 89)
HSL	hsl(232, 70%, 21%)
HSV	hsv(232, 82%, 35%)
CMYK	cmyk(82%, 70.8%, 0%, 65.1%)
CIE-LAB	lab(13.05, 21.19, -39.02)
CIE-LCH	lch(13.05, 44.40, 298.51°)
OKLab	oklab(25.88% -0.0012 -0.1129)
OKLCH	oklch(25.88% 0.113 269.4)
XYZ	xyz(2.3856, 1.5700, 9.6266)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A59 #594F10

analogous

#103E59 #101A59 #2A1059

triadic

#101A59 #59101A #1A5910

tetradic

#101A59 #59103E #594F10 #10592A

square

#101A59 #59103E #594F10 #10592A

split-complementary

#101A59 #592A10 #3E5910

monochromatic

#05081A #070B25 #101A59 #19298D #2338C1

Accessibility & contrast

On white

15.98

#101A59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#101A59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A59

15.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A59	#FFFFFF	#000000	##FFFFFF
##101A59	1.00	15.98	1.31	15.98
#FFFFFF	15.98	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255B

Deuteranopia (green-blind)

#001E58

Tritanopia (blue-blind)

#002B36

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #101a59;
/* rgb */ color: rgb(16, 26, 89);
/* oklch */ color: oklch(25.9% 0.113 269.4);

Tailwind

colors: {
  custom: {
    50: '#5c5689',
    500: '#101a59',
    950: '#000000',
  },
}

SCSS

$custom: #101a59;
$custom-light: #5c5689;
$custom-dark: #000000;

JSON

{
  "hex": "#101a59",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 89
  },
  "hsl": {
    "h": 231.781,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.25884,
    "c": 0.1129,
    "h": 269.4
  },
  "luminance": 0.0157
}

Semantic roles & 50–950 ramp

primary

#101A59

secondary

#928533

accent

#D43BEC

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #101A59

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

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