#10186A#10186A

#10186A is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.4% C 0.139 H 269.1°. Best body text is #FFFFFF at 15.43:1 contrast (WCAG AA passes).

Color values

HEX	#10186A
RGB	rgb(16, 24, 106)
HSL	hsl(235, 74%, 24%)
HSV	hsv(235, 85%, 42%)
CMYK	cmyk(84.9%, 77.4%, 0%, 58.4%)
CIE-LAB	lab(14.42, 29.32, -48.05)
CIE-LCH	lch(14.42, 56.29, 301.40°)
OKLab	oklab(27.44% -0.0021 -0.1392)
OKLCH	oklch(27.44% 0.139 269.1)
XYZ	xyz(3.1409, 1.8037, 13.8155)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10186A #6A6210

analogous

#10456A #10186A #35106A

triadic

#10186A #6A1018 #186A10

tetradic

#10186A #6A1045 #6A6210 #106A35

square

#10186A #6A1045 #6A6210 #106A35

split-complementary

#10186A #6A3510 #456A10

monochromatic

#04061B #080C35 #10186A #18249F #2030D4

Accessibility & contrast

On white

15.43

#10186A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#10186A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10186A

15.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10186A	#FFFFFF	#000000	##FFFFFF
##10186A	1.00	15.43	1.36	15.43
#FFFFFF	15.43	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296C

Deuteranopia (green-blind)

#002069

Tritanopia (blue-blind)

#00303F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #10186a;
/* rgb */ color: rgb(16, 24, 106);
/* oklch */ color: oklch(27.4% 0.139 269.1);

Tailwind

colors: {
  custom: {
    50: '#615596',
    500: '#10186a',
    950: '#000000',
  },
}

SCSS

$custom: #10186a;
$custom-light: #615596;
$custom-dark: #000000;

JSON

{
  "hex": "#10186a",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 106
  },
  "hsl": {
    "h": 234.667,
    "s": 73.77,
    "l": 23.922
  },
  "oklch": {
    "l": 0.27443,
    "c": 0.13923,
    "h": 269.1
  },
  "luminance": 0.01804
}

Semantic roles & 50–950 ramp

primary

#10186A

secondary

#A29834

accent

#E037F0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #10186A

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

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