#101F7E#101F7E

#101F7E is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.9% C 0.158 H 267.4°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#101F7E
RGB	rgb(16, 31, 126)
HSL	hsl(232, 77%, 28%)
HSV	hsv(232, 87%, 49%)
CMYK	cmyk(87.3%, 75.4%, 0%, 50.6%)
CIE-LAB	lab(18.35, 32.41, -54.47)
CIE-LCH	lch(18.35, 63.38, 300.75°)
OKLab	oklab(30.94% -0.0072 -0.1579)
OKLCH	oklch(30.94% 0.158 267.4)
XYZ	xyz(4.4683, 2.5959, 20.0002)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F7E #7E6F10

analogous

#10567E #101F7E #38107E

triadic

#101F7E #7E101F #1F7E10

tetradic

#101F7E #7E1056 #7E6F10 #107E38

square

#101F7E #7E1056 #7E6F10 #107E38

split-complementary

#101F7E #7E3810 #567E10

monochromatic

#03071B #091248 #101F7E #172CB4 #253FE3

Accessibility & contrast

On white

13.82

#101F7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#101F7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F7E

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F7E	#FFFFFF	#000000	##FFFFFF
##101F7E	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003281

Deuteranopia (green-blind)

#00277C

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #101f7e;
/* rgb */ color: rgb(16, 31, 126);
/* oklch */ color: oklch(30.9% 0.158 267.4);

Tailwind

colors: {
  custom: {
    50: '#675ba4',
    500: '#101f7e',
    950: '#000000',
  },
}

SCSS

$custom: #101f7e;
$custom-light: #675ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#101f7e",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 126
  },
  "hsl": {
    "h": 231.818,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30936,
    "c": 0.15807,
    "h": 267.4
  },
  "luminance": 0.02596
}

Semantic roles & 50–950 ramp

primary

#101F7E

secondary

#B4A336

accent

#DA34F4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #101F7E

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

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