#102A51#102A51

#102A51 is a dark, moderate blue. Relative luminance 0.024; OKLCH L 28.9% C 0.078 H 258.5°. Best body text is #FFFFFF at 14.27:1 contrast (WCAG AA passes).

Color values

HEX	#102A51
RGB	rgb(16, 42, 81)
HSL	hsl(216, 67%, 19%)
HSV	hsv(216, 80%, 32%)
CMYK	cmyk(80.2%, 48.1%, 0%, 68.2%)
CIE-LAB	lab(17.27, 5.80, -26.77)
CIE-LCH	lch(17.27, 27.39, 282.23°)
OKLab	oklab(28.85% -0.0156 -0.0766)
OKLCH	oklch(28.85% 0.078 258.5)
XYZ	xyz(2.5263, 2.3599, 8.1053)
Luminance	0.0236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102A51 #513710

analogous

#104B51 #102A51 #171051

triadic

#102A51 #51102A #2A5110

tetradic

#102A51 #51104B #513710 #105117

square

#102A51 #51104B #513710 #105117

split-complementary

#102A51 #511710 #4B5110

monochromatic

#050D1A #06101E #102A51 #1A4484 #245FB7

Accessibility & contrast

On white

14.27

#102A51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#102A51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102A51

14.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102A51	#FFFFFF	#000000	##FFFFFF
##102A51	1.00	14.27	1.47	14.27
#FFFFFF	14.27	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172E52

Deuteranopia (green-blind)

#0A2850

Tritanopia (blue-blind)

#003339

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #102a51;
/* rgb */ color: rgb(16, 42, 81);
/* oklch */ color: oklch(28.9% 0.078 258.5);

Tailwind

colors: {
  custom: {
    50: '#596382',
    500: '#102a51',
    950: '#000000',
  },
}

SCSS

$custom: #102a51;
$custom-light: #596382;
$custom-dark: #000000;

JSON

{
  "hex": "#102a51",
  "rgb": {
    "r": 16,
    "g": 42,
    "b": 81
  },
  "hsl": {
    "h": 216,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.28855,
    "c": 0.07819,
    "h": 258.5
  },
  "luminance": 0.0236
}

Semantic roles & 50–950 ramp

primary

#102A51

secondary

#8B6732

accent

#A53EEA

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050A

muted

#79797C

Preview Lab

Preview with #102A51

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

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