#10276D#10276D

#10276D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 30.6% C 0.125 H 265.4°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#10276D
RGB	rgb(16, 39, 109)
HSL	hsl(225, 74%, 25%)
HSV	hsv(225, 85%, 43%)
CMYK	cmyk(85.3%, 64.2%, 0%, 57.3%)
CIE-LAB	lab(18.65, 20.09, -43.06)
CIE-LCH	lch(18.65, 47.51, 295.01°)
OKLab	oklab(30.62% -0.01 -0.1246)
OKLCH	oklch(30.62% 0.125 265.4)
XYZ	xyz(3.6985, 2.6649, 14.7845)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10276D #6D5610

analogous

#10566D #10276D #27106D

triadic

#10276D #6D1027 #276D10

tetradic

#10276D #6D1056 #6D5610 #106D27

square

#10276D #6D1056 #6D5610 #106D27

split-complementary

#10276D #6D2710 #566D10

monochromatic

#040A1B #081438 #10276D #183AA2 #204DD8

Accessibility & contrast

On white

13.70

#10276D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#10276D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10276D

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10276D	#FFFFFF	#000000	##FFFFFF
##10276D	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326F

Deuteranopia (green-blind)

#00296C

Tritanopia (blue-blind)

#003946

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #10276d;
/* rgb */ color: rgb(16, 39, 109);
/* oklch */ color: oklch(30.6% 0.125 265.4);

Tailwind

colors: {
  custom: {
    50: '#616098',
    500: '#10276d',
    950: '#000000',
  },
}

SCSS

$custom: #10276d;
$custom-light: #616098;
$custom-dark: #000000;

JSON

{
  "hex": "#10276d",
  "rgb": {
    "r": 16,
    "g": 39,
    "b": 109
  },
  "hsl": {
    "h": 225.161,
    "s": 74.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.30624,
    "c": 0.12497,
    "h": 265.4
  },
  "luminance": 0.02665
}

Semantic roles & 50–950 ramp

primary

#10276D

secondary

#A58934

accent

#C337F1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #10276D

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

Preview Lab → · Contrast checker → · Palette generator →