#101E58#101E58

#101E58 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.6% C 0.106 H 267.9°. Best body text is #FFFFFF at 15.57:1 contrast (WCAG AA passes).

Color values

HEX	#101E58
RGB	rgb(16, 30, 88)
HSL	hsl(228, 69%, 20%)
HSV	hsv(228, 82%, 35%)
CMYK	cmyk(81.8%, 65.9%, 0%, 65.5%)
CIE-LAB	lab(14.08, 17.84, -36.66)
CIE-LCH	lch(14.08, 40.77, 295.94°)
OKLab	oklab(26.61% -0.004 -0.1059)
OKLCH	oklch(26.61% 0.106 267.9)
XYZ	xyz(2.4388, 1.7430, 9.4385)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E58 #584A10

analogous

#104258 #101E58 #261058

triadic

#101E58 #58101E #1E5810

tetradic

#101E58 #581042 #584A10 #105826

square

#101E58 #581042 #584A10 #105826

split-complementary

#101E58 #582610 #425810

monochromatic

#05091A #070C24 #101E58 #19308C #2341C0

Accessibility & contrast

On white

15.57

#101E58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#101E58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E58

15.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E58	#FFFFFF	#000000	##FFFFFF
##101E58	1.00	15.57	1.35	15.57
#FFFFFF	15.57	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275A

Deuteranopia (green-blind)

#002057

Tritanopia (blue-blind)

#002D37

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #101e58;
/* rgb */ color: rgb(16, 30, 88);
/* oklch */ color: oklch(26.6% 0.106 267.9);

Tailwind

colors: {
  custom: {
    50: '#5b5988',
    500: '#101e58',
    950: '#000000',
  },
}

SCSS

$custom: #101e58;
$custom-light: #5b5988;
$custom-dark: #000000;

JSON

{
  "hex": "#101e58",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 88
  },
  "hsl": {
    "h": 228.333,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.26613,
    "c": 0.106,
    "h": 267.9
  },
  "luminance": 0.01743
}

Semantic roles & 50–950 ramp

primary

#101E58

secondary

#917F32

accent

#CA3CEC

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04030B

muted

#79787C

Preview Lab

Preview with #101E58

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

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