#101E59#101E59

#101E59 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.7% C 0.108 H 267.9°. Best body text is #FFFFFF at 15.53:1 contrast (WCAG AA passes).

Color values

HEX	#101E59
RGB	rgb(16, 30, 89)
HSL	hsl(228, 70%, 21%)
HSV	hsv(228, 82%, 35%)
CMYK	cmyk(82%, 66.3%, 0%, 65.1%)
CIE-LAB	lab(14.17, 18.26, -37.17)
CIE-LCH	lch(14.17, 41.42, 296.16°)
OKLab	oklab(26.71% -0.004 -0.1074)
OKLCH	oklch(26.71% 0.108 267.9)
XYZ	xyz(2.4805, 1.7597, 9.6582)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E59 #594B10

analogous

#104259 #101E59 #261059

triadic

#101E59 #59101E #1E5910

tetradic

#101E59 #591042 #594B10 #105926

square

#101E59 #591042 #594B10 #105926

split-complementary

#101E59 #592610 #425910

monochromatic

#05091A #070D25 #101E59 #192F8D #2341C1

Accessibility & contrast

On white

15.53

#101E59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#101E59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E59

15.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E59	#FFFFFF	#000000	##FFFFFF
##101E59	1.00	15.53	1.35	15.53
#FFFFFF	15.53	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275B

Deuteranopia (green-blind)

#002158

Tritanopia (blue-blind)

#002D38

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #101e59;
/* rgb */ color: rgb(16, 30, 89);
/* oklch */ color: oklch(26.7% 0.108 267.9);

Tailwind

colors: {
  custom: {
    50: '#5c5988',
    500: '#101e59',
    950: '#000000',
  },
}

SCSS

$custom: #101e59;
$custom-light: #5c5988;
$custom-dark: #000000;

JSON

{
  "hex": "#101e59",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 89
  },
  "hsl": {
    "h": 228.493,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.26713,
    "c": 0.10752,
    "h": 267.9
  },
  "luminance": 0.0176
}

Semantic roles & 50–950 ramp

primary

#101E59

secondary

#928033

accent

#CA3BEC

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #101E59

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

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