#1D2F85#1D2F85

#1D2F85 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.2% C 0.145 H 268.5°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F85
RGB	rgb(29, 47, 133)
HSL	hsl(230, 64%, 32%)
HSV	hsv(230, 78%, 52%)
CMYK	cmyk(78.2%, 64.7%, 0%, 47.8%)
CIE-LAB	lab(23.63, 25.53, -50.18)
CIE-LCH	lch(23.63, 56.30, 296.96°)
OKLab	oklab(35.16% -0.0039 -0.1451)
OKLCH	oklch(35.16% 0.145 268.5)
XYZ	xyz(5.7554, 3.9871, 22.6520)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F85 #85731D

analogous

#1D6385 #1D2F85 #3F1D85

triadic

#1D2F85 #851D2F #2F851D

tetradic

#1D2F85 #851D63 #85731D #1D853F

square

#1D2F85 #851D63 #85731D #1D853F

split-complementary

#1D2F85 #853F1D #63851D

monochromatic

#070B21 #121D53 #1D2F85 #2841B7 #465FD7

Accessibility & contrast

On white

11.68

#1D2F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1D2F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F85

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F85	#FFFFFF	#000000	##FFFFFF
##1D2F85	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D88

Deuteranopia (green-blind)

#003383

Tritanopia (blue-blind)

#004555

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d2f85;
/* rgb */ color: rgb(29, 47, 133);
/* oklch */ color: oklch(35.2% 0.145 268.5);

Tailwind

colors: {
  custom: {
    50: '#6b67a9',
    500: '#1d2f85',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f85;
$custom-light: #6b67a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f85",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 133
  },
  "hsl": {
    "h": 229.615,
    "s": 64.198,
    "l": 31.765
  },
  "oklch": {
    "l": 0.35157,
    "c": 0.14514,
    "h": 268.5
  },
  "luminance": 0.03988
}

Semantic roles & 50–950 ramp

primary

#1D2F85

secondary

#B8A446

accent

#CA41E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1D2F85

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

Preview Lab → · Contrast checker → · Palette generator →