#102570#102570

#102570 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.5% C 0.132 H 266.2°. Best body text is #FFFFFF at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#102570
RGB	rgb(16, 37, 112)
HSL	hsl(227, 75%, 25%)
HSV	hsv(227, 86%, 44%)
CMYK	cmyk(85.7%, 67%, 0%, 56.1%)
CIE-LAB	lab(18.38, 22.78, -45.45)
CIE-LCH	lch(18.38, 50.83, 296.62°)
OKLab	oklab(30.51% -0.0088 -0.1316)
OKLCH	oklch(30.51% 0.132 266.2)
XYZ	xyz(3.7989, 2.6027, 15.6282)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102570 #705B10

analogous

#105570 #102570 #2B1070

triadic

#102570 #701025 #257010

tetradic

#102570 #701055 #705B10 #10702B

square

#102570 #701055 #705B10 #10702B

split-complementary

#102570 #702B10 #557010

monochromatic

#04091B #08133A #102570 #1837A6 #1F48DB

Accessibility & contrast

On white

13.81

#102570 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#102570 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102570

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102570	#FFFFFF	#000000	##FFFFFF
##102570	1.00	13.81	1.52	13.81
#FFFFFF	13.81	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003172

Deuteranopia (green-blind)

#00286F

Tritanopia (blue-blind)

#003946

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #102570;
/* rgb */ color: rgb(16, 37, 112);
/* oklch */ color: oklch(30.5% 0.132 266.2);

Tailwind

colors: {
  custom: {
    50: '#625f9a',
    500: '#102570',
    950: '#000000',
  },
}

SCSS

$custom: #102570;
$custom-light: #625f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#102570",
  "rgb": {
    "r": 16,
    "g": 37,
    "b": 112
  },
  "hsl": {
    "h": 226.875,
    "s": 75,
    "l": 25.098
  },
  "oklch": {
    "l": 0.30511,
    "c": 0.13188,
    "h": 266.2
  },
  "luminance": 0.02603
}

Semantic roles & 50–950 ramp

primary

#102570

secondary

#A88E34

accent

#C936F2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #102570

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

Preview Lab → · Contrast checker → · Palette generator →