#1D2A90#1D2A90

#1D2A90 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.3% C 0.166 H 269.4°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A90
RGB	rgb(29, 42, 144)
HSL	hsl(233, 66%, 34%)
HSV	hsv(233, 80%, 56%)
CMYK	cmyk(79.9%, 70.8%, 0%, 43.5%)
CIE-LAB	lab(23.44, 33.07, -57.35)
CIE-LCH	lch(23.44, 66.20, 299.97°)
OKLab	oklab(35.34% -0.0017 -0.1661)
OKLCH	oklch(35.34% 0.166 269.4)
XYZ	xyz(6.3670, 3.9300, 26.8032)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A90 #90831D

analogous

#1D6490 #1D2A90 #4A1D90

triadic

#1D2A90 #901D2A #2A901D

tetradic

#1D2A90 #901D64 #90831D #1D904A

square

#1D2A90 #901D64 #90831D #1D904A

split-complementary

#1D2A90 #904A1D #64901D

monochromatic

#080C2A #131B5D #1D2A90 #2739C3 #4C5DDB

Accessibility & contrast

On white

11.76

#1D2A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1D2A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A90

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A90	#FFFFFF	#000000	##FFFFFF
##1D2A90	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D93

Deuteranopia (green-blind)

#00328E

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d2a90;
/* rgb */ color: rgb(29, 42, 144);
/* oklch */ color: oklch(35.3% 0.166 269.4);

Tailwind

colors: {
  custom: {
    50: '#6e64b2',
    500: '#1d2a90',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a90;
$custom-light: #6e64b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a90",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 144
  },
  "hsl": {
    "h": 233.217,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35344,
    "c": 0.16607,
    "h": 269.4
  },
  "luminance": 0.03931
}

Semantic roles & 50–950 ramp

primary

#1D2A90

secondary

#BDB14B

accent

#D63EE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080511

muted

#7B7A80

Preview Lab

Preview with #1D2A90

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

Preview Lab → · Contrast checker → · Palette generator →