#102D58#102D58

#102D58 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.2% C 0.085 H 258.4°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#102D58
RGB	rgb(16, 45, 88)
HSL	hsl(216, 69%, 20%)
HSV	hsv(216, 82%, 35%)
CMYK	cmyk(81.8%, 48.9%, 0%, 65.5%)
CIE-LAB	lab(18.76, 6.63, -29.07)
CIE-LCH	lch(18.76, 29.82, 282.85°)
OKLab	oklab(30.17% -0.0171 -0.0833)
OKLCH	oklch(30.17% 0.085 258.4)
XYZ	xyz(2.9129, 2.6912, 9.5966)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102D58 #583B10

analogous

#105158 #102D58 #171058

triadic

#102D58 #58102D #2D5810

tetradic

#102D58 #581051 #583B10 #105817

square

#102D58 #581051 #583B10 #105817

split-complementary

#102D58 #581710 #515810

monochromatic

#050D1A #071324 #102D58 #19478C #2362C0

Accessibility & contrast

On white

13.65

#102D58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#102D58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102D58

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102D58	#FFFFFF	#000000	##FFFFFF
##102D58	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17315A

Deuteranopia (green-blind)

#072B57

Tritanopia (blue-blind)

#00373E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #102d58;
/* rgb */ color: rgb(16, 45, 88);
/* oklch */ color: oklch(30.2% 0.085 258.4);

Tailwind

colors: {
  custom: {
    50: '#5a6587',
    500: '#102d58',
    950: '#000000',
  },
}

SCSS

$custom: #102d58;
$custom-light: #5a6587;
$custom-dark: #000000;

JSON

{
  "hex": "#102d58",
  "rgb": {
    "r": 16,
    "g": 45,
    "b": 88
  },
  "hsl": {
    "h": 215.833,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30166,
    "c": 0.08506,
    "h": 258.4
  },
  "luminance": 0.02692
}

Semantic roles & 50–950 ramp

primary

#102D58

secondary

#916B32

accent

#A53CEC

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04050B

muted

#797A7C

Preview Lab

Preview with #102D58

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

Preview Lab → · Contrast checker → · Palette generator →