#1D2F89#1D2F89

#1D2F89 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.5% C 0.151 H 268.5°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F89
RGB	rgb(29, 47, 137)
HSL	hsl(230, 65%, 33%)
HSV	hsv(230, 79%, 54%)
CMYK	cmyk(78.8%, 65.7%, 0%, 46.3%)
CIE-LAB	lab(24.00, 27.09, -52.08)
CIE-LCH	lch(24.00, 58.70, 297.48°)
OKLab	oklab(35.54% -0.004 -0.1506)
OKLCH	oklch(35.54% 0.151 268.5)
XYZ	xyz(6.0370, 4.0997, 24.1352)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F89 #89771D

analogous

#1D6589 #1D2F89 #411D89

triadic

#1D2F89 #891D2F #2F891D

tetradic

#1D2F89 #891D65 #89771D #1D8941

square

#1D2F89 #891D65 #89771D #1D8941

split-complementary

#1D2F89 #89411D #65891D

monochromatic

#080C24 #121E56 #1D2F89 #2840BC #4860D8

Accessibility & contrast

On white

11.54

#1D2F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1D2F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F89

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F89	#FFFFFF	#000000	##FFFFFF
##1D2F89	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8C

Deuteranopia (green-blind)

#003487

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d2f89;
/* rgb */ color: rgb(29, 47, 137);
/* oklch */ color: oklch(35.5% 0.151 268.5);

Tailwind

colors: {
  custom: {
    50: '#6c67ac',
    500: '#1d2f89',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f89;
$custom-light: #6c67ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f89",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 137
  },
  "hsl": {
    "h": 230,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35544,
    "c": 0.15069,
    "h": 268.5
  },
  "luminance": 0.041
}

Semantic roles & 50–950 ramp

primary

#1D2F89

secondary

#BAA747

accent

#CC40E8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1D2F89

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

Preview Lab → · Contrast checker → · Palette generator →