#102A55#102A55

#102A55 is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.2% C 0.084 H 259.9°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX	#102A55
RGB	rgb(16, 42, 85)
HSL	hsl(217, 68%, 20%)
HSV	hsv(217, 81%, 33%)
CMYK	cmyk(81.2%, 50.6%, 0%, 66.7%)
CIE-LAB	lab(17.56, 7.54, -28.99)
CIE-LCH	lch(17.56, 29.96, 284.57°)
OKLab	oklab(29.17% -0.0148 -0.0832)
OKLCH	oklch(29.17% 0.084 259.9)
XYZ	xyz(2.6807, 2.4217, 8.9187)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102A55 #553B10

analogous

#104D55 #102A55 #181055

triadic

#102A55 #55102A #2A5510

tetradic

#102A55 #55104D #553B10 #105518

square

#102A55 #55104D #553B10 #105518

split-complementary

#102A55 #551810 #4D5510

monochromatic

#050D1A #061121 #102A55 #1A4389 #235DBC

Accessibility & contrast

On white

14.15

#102A55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#102A55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102A55

14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102A55	#FFFFFF	#000000	##FFFFFF
##102A55	1.00	14.15	1.48	14.15
#FFFFFF	14.15	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#132E57

Deuteranopia (green-blind)

#042854

Tritanopia (blue-blind)

#00343B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #102a55;
/* rgb */ color: rgb(16, 42, 85);
/* oklch */ color: oklch(29.2% 0.084 259.9);

Tailwind

colors: {
  custom: {
    50: '#5a6385',
    500: '#102a55',
    950: '#000000',
  },
}

SCSS

$custom: #102a55;
$custom-light: #5a6385;
$custom-dark: #000000;

JSON

{
  "hex": "#102a55",
  "rgb": {
    "r": 16,
    "g": 42,
    "b": 85
  },
  "hsl": {
    "h": 217.391,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.2917,
    "c": 0.08447,
    "h": 259.9
  },
  "luminance": 0.02422
}

Semantic roles & 50–950 ramp

primary

#102A55

secondary

#8F6C32

accent

#A93DEB

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #102A55

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

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