#1D2997#1D2997

#1D2997 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.9% C 0.176 H 269.3°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#1D2997
RGB	rgb(29, 41, 151)
HSL	hsl(234, 68%, 35%)
HSV	hsv(234, 81%, 59%)
CMYK	cmyk(80.8%, 72.8%, 0%, 40.8%)
CIE-LAB	lab(23.94, 36.28, -60.85)
CIE-LCH	lch(23.94, 70.84, 300.80°)
OKLab	oklab(35.92% -0.002 -0.1763)
OKLCH	oklch(35.92% 0.176 269.3)
XYZ	xyz(6.8836, 4.0807, 29.6970)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2997 #978B1D

analogous

#1D6697 #1D2997 #4E1D97

triadic

#1D2997 #971D29 #29971D

tetradic

#1D2997 #971D66 #978B1D #1D974E

square

#1D2997 #971D66 #978B1D #1D974E

split-complementary

#1D2997 #974E1D #66971D

monochromatic

#090D30 #131B64 #1D2997 #2737CA #515FDE

Accessibility & contrast

On white

11.56

#1D2997 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1D2997 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2997

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2997	#FFFFFF	#000000	##FFFFFF
##1D2997	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9A

Deuteranopia (green-blind)

#003395

Tritanopia (blue-blind)

#00485D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d2997;
/* rgb */ color: rgb(29, 41, 151);
/* oklch */ color: oklch(35.9% 0.176 269.3);

Tailwind

colors: {
  custom: {
    50: '#7063b7',
    500: '#1d2997',
    950: '#000000',
  },
}

SCSS

$custom: #1d2997;
$custom-light: #7063b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2997",
  "rgb": {
    "r": 29,
    "g": 41,
    "b": 151
  },
  "hsl": {
    "h": 234.098,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.35921,
    "c": 0.17627,
    "h": 269.3
  },
  "luminance": 0.04081
}

Semantic roles & 50–950 ramp

primary

#1D2997

secondary

#C0B54F

accent

#DA3DEB

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1D2997

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

Preview Lab → · Contrast checker → · Palette generator →