#101D7E#101D7E

#101D7E is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.6% C 0.160 H 267.6°. Best body text is #FFFFFF at 14.01:1 contrast (WCAG AA passes).

Color values

HEX	#101D7E
RGB	rgb(16, 29, 126)
HSL	hsl(233, 77%, 28%)
HSV	hsv(233, 87%, 49%)
CMYK	cmyk(87.3%, 77%, 0%, 50.6%)
CIE-LAB	lab(17.89, 33.67, -55.22)
CIE-LCH	lch(17.89, 64.68, 301.38°)
OKLab	oklab(30.61% -0.0066 -0.1601)
OKLCH	oklch(30.61% 0.16 267.6)
XYZ	xyz(4.4176, 2.4947, 19.9833)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101D7E #7E7110

analogous

#10547E #101D7E #3A107E

triadic

#101D7E #7E101D #1D7E10

tetradic

#101D7E #7E1054 #7E7110 #107E3A

square

#101D7E #7E1054 #7E7110 #107E3A

split-complementary

#101D7E #7E3A10 #547E10

monochromatic

#03061B #091148 #101D7E #1729B4 #253CE3

Accessibility & contrast

On white

14.01

#101D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#101D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101D7E

14.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101D7E	#FFFFFF	#000000	##FFFFFF
##101D7E	1.00	14.01	1.50	14.01
#FFFFFF	14.01	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003181

Deuteranopia (green-blind)

#00267C

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #101d7e;
/* rgb */ color: rgb(16, 29, 126);
/* oklch */ color: oklch(30.6% 0.160 267.6);

Tailwind

colors: {
  custom: {
    50: '#675aa5',
    500: '#101d7e',
    950: '#000000',
  },
}

SCSS

$custom: #101d7e;
$custom-light: #675aa5;
$custom-dark: #000000;

JSON

{
  "hex": "#101d7e",
  "rgb": {
    "r": 16,
    "g": 29,
    "b": 126
  },
  "hsl": {
    "h": 232.909,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30613,
    "c": 0.16021,
    "h": 267.6
  },
  "luminance": 0.02495
}

Semantic roles & 50–950 ramp

primary

#101D7E

secondary

#B4A536

accent

#DD34F4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #101D7E

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

Preview Lab → · Contrast checker → · Palette generator →