#102B51#102B51

#102B51 is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.1% C 0.077 H 257.5°. Best body text is #FFFFFF at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#102B51
RGB	rgb(16, 43, 81)
HSL	hsl(215, 67%, 19%)
HSV	hsv(215, 80%, 32%)
CMYK	cmyk(80.2%, 46.9%, 0%, 68.2%)
CIE-LAB	lab(17.61, 5.06, -26.23)
CIE-LCH	lch(17.61, 26.72, 280.93°)
OKLab	oklab(29.11% -0.0166 -0.075)
OKLCH	oklch(29.11% 0.077 257.5)
XYZ	xyz(2.5622, 2.4317, 8.1173)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102B51 #513610

analogous

#104C51 #102B51 #161051

triadic

#102B51 #51102B #2B5110

tetradic

#102B51 #51104C #513610 #105116

square

#102B51 #51104C #513610 #105116

split-complementary

#102B51 #511610 #4C5110

monochromatic

#050E1A #06101E #102B51 #1A4684 #2461B7

Accessibility & contrast

On white

14.13

#102B51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#102B51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102B51

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102B51	#FFFFFF	#000000	##FFFFFF
##102B51	1.00	14.13	1.49	14.13
#FFFFFF	14.13	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182E52

Deuteranopia (green-blind)

#0D2850

Tritanopia (blue-blind)

#00343A

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #102b51;
/* rgb */ color: rgb(16, 43, 81);
/* oklch */ color: oklch(29.1% 0.077 257.5);

Tailwind

colors: {
  custom: {
    50: '#596382',
    500: '#102b51',
    950: '#000000',
  },
}

SCSS

$custom: #102b51;
$custom-light: #596382;
$custom-dark: #000000;

JSON

{
  "hex": "#102b51",
  "rgb": {
    "r": 16,
    "g": 43,
    "b": 81
  },
  "hsl": {
    "h": 215.077,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29114,
    "c": 0.07685,
    "h": 257.5
  },
  "luminance": 0.02432
}

Semantic roles & 50–950 ramp

primary

#102B51

secondary

#8B6632

accent

#A23EEA

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050A

muted

#79797C

Preview Lab

Preview with #102B51

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

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