#1D2B90#1D2B90

#1D2B90 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.5% C 0.165 H 269.2°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B90
RGB	rgb(29, 43, 144)
HSL	hsl(233, 66%, 34%)
HSV	hsv(233, 80%, 56%)
CMYK	cmyk(79.9%, 70.1%, 0%, 43.5%)
CIE-LAB	lab(23.68, 32.42, -56.95)
CIE-LCH	lch(23.68, 65.53, 299.65°)
OKLab	oklab(35.52% -0.0022 -0.1649)
OKLCH	oklch(35.52% 0.165 269.2)
XYZ	xyz(6.4029, 4.0019, 26.8151)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B90 #90821D

analogous

#1D6590 #1D2B90 #491D90

triadic

#1D2B90 #901D2B #2B901D

tetradic

#1D2B90 #901D65 #90821D #1D9049

square

#1D2B90 #901D65 #90821D #1D9049

split-complementary

#1D2B90 #90491D #65901D

monochromatic

#080D2A #131C5D #1D2B90 #273AC3 #4C5EDB

Accessibility & contrast

On white

11.66

#1D2B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1D2B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B90

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B90	#FFFFFF	#000000	##FFFFFF
##1D2B90	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E93

Deuteranopia (green-blind)

#00338E

Tritanopia (blue-blind)

#00475A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d2b90;
/* rgb */ color: rgb(29, 43, 144);
/* oklch */ color: oklch(35.5% 0.165 269.2);

Tailwind

colors: {
  custom: {
    50: '#6e64b2',
    500: '#1d2b90',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b90;
$custom-light: #6e64b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b90",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 144
  },
  "hsl": {
    "h": 232.696,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35517,
    "c": 0.16492,
    "h": 269.2
  },
  "luminance": 0.04003
}

Semantic roles & 50–950 ramp

primary

#1D2B90

secondary

#BDB04B

accent

#D53EE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080511

muted

#7B7A80

Preview Lab

Preview with #1D2B90

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

Preview Lab → · Contrast checker → · Palette generator →