#1D2B97#1D2B97

#1D2B97 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.3% C 0.174 H 269.0°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B97
RGB	rgb(29, 43, 151)
HSL	hsl(233, 68%, 35%)
HSV	hsv(233, 81%, 59%)
CMYK	cmyk(80.8%, 71.5%, 0%, 40.8%)
CIE-LAB	lab(24.39, 35.02, -60.09)
CIE-LCH	lch(24.39, 69.55, 300.23°)
OKLab	oklab(36.25% -0.0029 -0.1741)
OKLCH	oklch(36.25% 0.174 269)
XYZ	xyz(6.9546, 4.2225, 29.7207)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B97 #97891D

analogous

#1D6897 #1D2B97 #4C1D97

triadic

#1D2B97 #971D2B #2B971D

tetradic

#1D2B97 #971D68 #97891D #1D974C

square

#1D2B97 #971D68 #97891D #1D974C

split-complementary

#1D2B97 #974C1D #68971D

monochromatic

#090E30 #131C64 #1D2B97 #273ACA #5161DE

Accessibility & contrast

On white

11.38

#1D2B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1D2B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B97

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B97	#FFFFFF	#000000	##FFFFFF
##1D2B97	1.00	11.38	1.84	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409A

Deuteranopia (green-blind)

#003495

Tritanopia (blue-blind)

#00495E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1d2b97;
/* rgb */ color: rgb(29, 43, 151);
/* oklch */ color: oklch(36.3% 0.174 269.0);

Tailwind

colors: {
  custom: {
    50: '#7065b7',
    500: '#1d2b97',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b97;
$custom-light: #7065b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b97",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 151
  },
  "hsl": {
    "h": 233.115,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.3625,
    "c": 0.17408,
    "h": 269
  },
  "luminance": 0.04223
}

Semantic roles & 50–950 ramp

primary

#1D2B97

secondary

#C0B34F

accent

#D73DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #1D2B97

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

Preview Lab → · Contrast checker → · Palette generator →