#102F7F#102F7F

#102F7F is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.1% C 0.140 H 264.1°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#102F7F
RGB	rgb(16, 47, 127)
HSL	hsl(223, 78%, 28%)
HSV	hsv(223, 87%, 50%)
CMYK	cmyk(87.4%, 63%, 0%, 50.2%)
CIE-LAB	lab(22.57, 21.86, -48.17)
CIE-LCH	lch(22.57, 52.89, 294.41°)
OKLab	oklab(34.06% -0.0145 -0.1394)
OKLCH	oklch(34.06% 0.14 264.1)
XYZ	xyz(5.0596, 3.6749, 20.5172)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102F7F #7F6010

analogous

#10667F #102F7F #28107F

triadic

#102F7F #7F102F #2F7F10

tetradic

#102F7F #7F1066 #7F6010 #107F28

square

#102F7F #7F1066 #7F6010 #107F28

split-complementary

#102F7F #7F2810 #667F10

monochromatic

#030A1B #091B49 #102F7F #1743B5 #265BE4

Accessibility & contrast

On white

12.10

#102F7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#102F7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102F7F

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102F7F	#FFFFFF	#000000	##FFFFFF
##102F7F	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B82

Deuteranopia (green-blind)

#00317D

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #102f7f;
/* rgb */ color: rgb(16, 47, 127);
/* oklch */ color: oklch(34.1% 0.140 264.1);

Tailwind

colors: {
  custom: {
    50: '#6567a5',
    500: '#102f7f',
    950: '#000000',
  },
}

SCSS

$custom: #102f7f;
$custom-light: #6567a5;
$custom-dark: #000000;

JSON

{
  "hex": "#102f7f",
  "rgb": {
    "r": 16,
    "g": 47,
    "b": 127
  },
  "hsl": {
    "h": 223.243,
    "s": 77.622,
    "l": 28.039
  },
  "oklch": {
    "l": 0.34056,
    "c": 0.14017,
    "h": 264.1
  },
  "luminance": 0.03675
}

Semantic roles & 50–950 ramp

primary

#102F7F

secondary

#B59236

accent

#BE34F4

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #102F7F

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

Preview Lab → · Contrast checker → · Palette generator →