#102D5F#102D5F

#102D5F is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.7% C 0.096 H 260.5°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#102D5F
RGB	rgb(16, 45, 95)
HSL	hsl(218, 71%, 22%)
HSV	hsv(218, 83%, 37%)
CMYK	cmyk(83.2%, 52.6%, 0%, 62.7%)
CIE-LAB	lab(19.28, 9.67, -32.88)
CIE-LCH	lch(19.28, 34.27, 286.40°)
OKLab	oklab(30.73% -0.0158 -0.0945)
OKLCH	oklch(30.73% 0.096 260.5)
XYZ	xyz(3.2169, 2.8128, 11.1976)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102D5F #5F4210

analogous

#10555F #102D5F #1B105F

triadic

#102D5F #5F102D #2D5F10

tetradic

#102D5F #5F1055 #5F4210 #105F1B

square

#102D5F #5F1055 #5F4210 #105F1B

split-complementary

#102D5F #5F1B10 #555F10

monochromatic

#040C1A #07142B #102D5F #194693 #225FC8

Accessibility & contrast

On white

13.44

#102D5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#102D5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102D5F

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102D5F	#FFFFFF	#000000	##FFFFFF
##102D5F	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F3361

Deuteranopia (green-blind)

#002B5E

Tritanopia (blue-blind)

#003941

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #102d5f;
/* rgb */ color: rgb(16, 45, 95);
/* oklch */ color: oklch(30.7% 0.096 260.5);

Tailwind

colors: {
  custom: {
    50: '#5c658d',
    500: '#102d5f',
    950: '#000000',
  },
}

SCSS

$custom: #102d5f;
$custom-light: #5c658d;
$custom-dark: #000000;

JSON

{
  "hex": "#102d5f",
  "rgb": {
    "r": 16,
    "g": 45,
    "b": 95
  },
  "hsl": {
    "h": 217.975,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.30728,
    "c": 0.09585,
    "h": 260.5
  },
  "luminance": 0.02813
}

Semantic roles & 50–950 ramp

primary

#102D5F

secondary

#987333

accent

#AC3AEE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05050C

muted

#797A7D

Preview Lab

Preview with #102D5F

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

Preview Lab → · Contrast checker → · Palette generator →