#131C5E#131C5E

#131C5E is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.0% C 0.117 H 270.2°. Best body text is #FFFFFF at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#131C5E
RGB	rgb(19, 28, 94)
HSL	hsl(233, 66%, 22%)
HSV	hsv(233, 80%, 37%)
CMYK	cmyk(79.8%, 70.2%, 0%, 63.1%)
CIE-LAB	lab(14.27, 22.16, -40.36)
CIE-LCH	lch(14.27, 46.04, 298.77°)
OKLab	oklab(26.98% 0.0004 -0.1167)
OKLCH	oklch(26.98% 0.117 270.2)
XYZ	xyz(2.7035, 1.7768, 10.7880)
Luminance	0.0178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C5E #5E5513

analogous

#13425E #131C5E #30135E

triadic

#131C5E #5E131C #1C5E13

tetradic

#131C5E #5E1342 #5E5513 #135E30

square

#131C5E #5E1342 #5E5513 #135E30

split-complementary

#131C5E #5E3013 #425E13

monochromatic

#050819 #090D2B #131C5E #1D2B91 #283AC4

Accessibility & contrast

On white

15.49

#131C5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#131C5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C5E

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C5E	#FFFFFF	#000000	##FFFFFF
##131C5E	1.00	15.49	1.36	15.49
#FFFFFF	15.49	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002860

Deuteranopia (green-blind)

#00215D

Tritanopia (blue-blind)

#002E3A

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #131c5e;
/* rgb */ color: rgb(19, 28, 94);
/* oklch */ color: oklch(27.0% 0.117 270.2);

Tailwind

colors: {
  custom: {
    50: '#5e588c',
    500: '#131c5e',
    950: '#000000',
  },
}

SCSS

$custom: #131c5e;
$custom-light: #5e588c;
$custom-dark: #000000;

JSON

{
  "hex": "#131c5e",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 94
  },
  "hsl": {
    "h": 232.8,
    "s": 66.372,
    "l": 22.157
  },
  "oklch": {
    "l": 0.26982,
    "c": 0.11672,
    "h": 270.2
  },
  "luminance": 0.01777
}

Semantic roles & 50–950 ramp

primary

#131C5E

secondary

#968B37

accent

#D53FE9

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #131C5E

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

Preview Lab → · Contrast checker → · Palette generator →