#102F5A#102F5A

#102F5A is a dark, moderate cyan. Relative luminance 0.029; OKLCH L 30.8% C 0.085 H 257.4°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#102F5A
RGB	rgb(16, 47, 90)
HSL	hsl(215, 70%, 21%)
HSV	hsv(215, 82%, 35%)
CMYK	cmyk(82.2%, 47.8%, 0%, 64.7%)
CIE-LAB	lab(19.56, 6.04, -29.12)
CIE-LCH	lch(19.56, 29.74, 281.72°)
OKLab	oklab(30.83% -0.0186 -0.0834)
OKLCH	oklch(30.83% 0.085 257.4)
XYZ	xyz(3.0750, 2.8810, 10.0649)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102F5A #5A3B10

analogous

#10545A #102F5A #16105A

triadic

#102F5A #5A102F #2F5A10

tetradic

#102F5A #5A1054 #5A3B10 #105A16

square

#102F5A #5A1054 #5A3B10 #105A16

split-complementary

#102F5A #5A1610 #545A10

monochromatic

#050E1A #071426 #102F5A #194A8E #2265C2

Accessibility & contrast

On white

13.32

#102F5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#102F5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102F5A

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102F5A	#FFFFFF	#000000	##FFFFFF
##102F5A	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19335C

Deuteranopia (green-blind)

#0A2C59

Tritanopia (blue-blind)

#003940

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #102f5a;
/* rgb */ color: rgb(16, 47, 90);
/* oklch */ color: oklch(30.8% 0.085 257.4);

Tailwind

colors: {
  custom: {
    50: '#5b6789',
    500: '#102f5a',
    950: '#000000',
  },
}

SCSS

$custom: #102f5a;
$custom-light: #5b6789;
$custom-dark: #000000;

JSON

{
  "hex": "#102f5a",
  "rgb": {
    "r": 16,
    "g": 47,
    "b": 90
  },
  "hsl": {
    "h": 214.865,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30828,
    "c": 0.08548,
    "h": 257.4
  },
  "luminance": 0.02881
}

Semantic roles & 50–950 ramp

primary

#102F5A

secondary

#936B33

accent

#A23BED

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060B

muted

#797A7C

Preview Lab

Preview with #102F5A

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

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