#1D2B9F#1D2B9F

#1D2B9F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.1% C 0.184 H 268.8°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B9F
RGB	rgb(29, 43, 159)
HSL	hsl(234, 69%, 37%)
HSV	hsv(234, 82%, 62%)
CMYK	cmyk(81.8%, 73%, 0%, 37.6%)
CIE-LAB	lab(25.23, 37.93, -63.60)
CIE-LCH	lch(25.23, 74.05, 300.81°)
OKLab	oklab(37.1% -0.0039 -0.1843)
OKLCH	oklch(37.1% 0.184 268.8)
XYZ	xyz(7.6264, 4.4913, 33.2591)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B9F #9F911D

analogous

#1D6C9F #1D2B9F #501D9F

triadic

#1D2B9F #9F1D2B #2B9F1D

tetradic

#1D2B9F #9F1D6C #9F911D #1D9F50

square

#1D2B9F #9F1D6C #9F911D #1D9F50

split-complementary

#1D2B9F #9F501D #6C9F1D

monochromatic

#0A0F37 #141D6B #1D2B9F #2639D3 #5665E0

Accessibility & contrast

On white

11.06

#1D2B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1D2B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B9F

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B9F	#FFFFFF	#000000	##FFFFFF
##1D2B9F	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A2

Deuteranopia (green-blind)

#00359D

Tritanopia (blue-blind)

#004C62

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1d2b9f;
/* rgb */ color: rgb(29, 43, 159);
/* oklch */ color: oklch(37.1% 0.184 268.8);

Tailwind

colors: {
  custom: {
    50: '#7265bd',
    500: '#1d2b9f',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b9f;
$custom-light: #7265bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b9f",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 159
  },
  "hsl": {
    "h": 233.538,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37105,
    "c": 0.18432,
    "h": 268.8
  },
  "luminance": 0.04492
}

Semantic roles & 50–950 ramp

primary

#1D2B9F

secondary

#C4B854

accent

#D93CEC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #1D2B9F

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

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