#1D129F#1D129F

#1D129F is a dark, highly saturated blue. Relative luminance 0.032; OKLCH L 34.0% C 0.205 H 270.7°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#1D129F
RGB	rgb(29, 18, 159)
HSL	hsl(245, 80%, 35%)
HSV	hsv(245, 89%, 62%)
CMYK	cmyk(81.8%, 88.7%, 0%, 37.6%)
CIE-LAB	lab(20.81, 50.70, -70.93)
CIE-LCH	lch(20.81, 87.18, 305.55°)
OKLab	oklab(34.01% 0.0025 -0.2051)
OKLCH	oklch(34.01% 0.205 270.7)
XYZ	xyz(6.9789, 3.1962, 33.0433)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D129F #949F12

analogous

#124D9F #1D129F #64129F

triadic

#1D129F #9F1D12 #129F1D

tetradic

#1D129F #9F124D #949F12 #129F64

square

#1D129F #9F124D #949F12 #129F64

split-complementary

#1D129F #9F6412 #4D9F12

monochromatic

#090631 #130C68 #1D129F #2718D6 #4F42EA

Accessibility & contrast

On white

12.81

#1D129F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1D129F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D129F

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D129F	#FFFFFF	#000000	##FFFFFF
##1D129F	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0039A3

Deuteranopia (green-blind)

#002B9D

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d129f;
/* rgb */ color: rgb(29, 18, 159);
/* oklch */ color: oklch(34.0% 0.205 270.7);

Tailwind

colors: {
  custom: {
    50: '#7457bd',
    500: '#1d129f',
    950: '#000000',
  },
}

SCSS

$custom: #1d129f;
$custom-light: #7457bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d129f",
  "rgb": {
    "r": 29,
    "g": 18,
    "b": 159
  },
  "hsl": {
    "h": 244.681,
    "s": 79.661,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34008,
    "c": 0.20515,
    "h": 270.7
  },
  "luminance": 0.03197
}

Semantic roles & 50–950 ramp

primary

#1D129F

secondary

#BFCA43

accent

#F632E7

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0312

muted

#7C7881

Preview Lab

Preview with #1D129F

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

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