#1D229F#1D229F

#1D229F is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.8% C 0.193 H 269.8°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#1D229F
RGB	rgb(29, 34, 159)
HSL	hsl(238, 69%, 37%)
HSV	hsv(238, 82%, 62%)
CMYK	cmyk(81.8%, 78.6%, 0%, 37.6%)
CIE-LAB	lab(23.36, 43.20, -66.69)
CIE-LCH	lch(23.36, 79.46, 302.93°)
OKLab	oklab(35.78% -0.0008 -0.1932)
OKLCH	oklch(35.78% 0.193 269.8)
XYZ	xyz(7.3346, 3.9076, 33.1618)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D229F #9F9A1D

analogous

#1D639F #1D229F #591D9F

triadic

#1D229F #9F1D22 #229F1D

tetradic

#1D229F #9F1D63 #9F9A1D #1D9F59

square

#1D229F #9F1D63 #9F9A1D #1D9F59

split-complementary

#1D229F #9F591D #639F1D

monochromatic

#0A0C37 #14176B #1D229F #262DD3 #565BE0

Accessibility & contrast

On white

11.79

#1D229F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1D229F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D229F

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D229F	#FFFFFF	#000000	##FFFFFF
##1D229F	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA3

Deuteranopia (green-blind)

#00319D

Tritanopia (blue-blind)

#004860

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d229f;
/* rgb */ color: rgb(29, 34, 159);
/* oklch */ color: oklch(35.8% 0.193 269.8);

Tailwind

colors: {
  custom: {
    50: '#735fbd',
    500: '#1d229f',
    950: '#000000',
  },
}

SCSS

$custom: #1d229f;
$custom-light: #735fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d229f",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 159
  },
  "hsl": {
    "h": 237.692,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35776,
    "c": 0.19318,
    "h": 269.8
  },
  "luminance": 0.03908
}

Semantic roles & 50–950 ramp

primary

#1D229F

secondary

#C4BF54

accent

#E53CEC

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1D229F

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

Preview Lab → · Contrast checker → · Palette generator →