#102A7E#102A7E

#102A7E is a dark, vivid blue. Relative luminance 0.033; OKLCH L 32.9% C 0.145 H 265.3°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#102A7E
RGB	rgb(16, 42, 126)
HSL	hsl(226, 77%, 28%)
HSV	hsv(226, 87%, 49%)
CMYK	cmyk(87.3%, 66.7%, 0%, 50.6%)
CIE-LAB	lab(21.10, 24.97, -49.93)
CIE-LCH	lch(21.10, 55.83, 296.57°)
OKLab	oklab(32.94% -0.0118 -0.1447)
OKLCH	oklch(32.94% 0.145 265.3)
XYZ	xyz(4.8062, 3.2719, 20.1128)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102A7E #7E6410

analogous

#10617E #102A7E #2D107E

triadic

#102A7E #7E102A #2A7E10

tetradic

#102A7E #7E1061 #7E6410 #107E2D

square

#102A7E #7E1061 #7E6410 #107E2D

split-complementary

#102A7E #7E2D10 #617E10

monochromatic

#03091B #091848 #102A7E #173CB4 #2552E3

Accessibility & contrast

On white

12.69

#102A7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#102A7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102A7E

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102A7E	#FFFFFF	#000000	##FFFFFF
##102A7E	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003881

Deuteranopia (green-blind)

#002E7C

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #102a7e;
/* rgb */ color: rgb(16, 42, 126);
/* oklch */ color: oklch(32.9% 0.145 265.3);

Tailwind

colors: {
  custom: {
    50: '#6563a4',
    500: '#102a7e',
    950: '#000000',
  },
}

SCSS

$custom: #102a7e;
$custom-light: #6563a4;
$custom-dark: #000000;

JSON

{
  "hex": "#102a7e",
  "rgb": {
    "r": 16,
    "g": 42,
    "b": 126
  },
  "hsl": {
    "h": 225.818,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.32941,
    "c": 0.14514,
    "h": 265.3
  },
  "luminance": 0.03272
}

Semantic roles & 50–950 ramp

primary

#102A7E

secondary

#B49636

accent

#C734F4

background

#F6F5FA

surface

#EBEAF4

border

#C6C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #102A7E

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

Preview Lab → · Contrast checker → · Palette generator →