#1D2FA1#1D2FA1

#1D2FA1 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.0% C 0.183 H 268.2°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#1D2FA1
RGB	rgb(29, 47, 161)
HSL	hsl(232, 69%, 37%)
HSV	hsv(232, 82%, 63%)
CMYK	cmyk(82%, 70.8%, 0%, 36.9%)
CIE-LAB	lab(26.35, 36.15, -62.97)
CIE-LCH	lch(26.35, 72.61, 299.86°)
OKLab	oklab(37.97% -0.0057 -0.1825)
OKLCH	oklch(37.97% 0.183 268.2)
XYZ	xyz(7.9540, 4.8665, 34.2314)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2FA1 #A18F1D

analogous

#1D71A1 #1D2FA1 #4D1DA1

triadic

#1D2FA1 #A11D2F #2FA11D

tetradic

#1D2FA1 #A11D71 #A18F1D #1DA14D

square

#1D2FA1 #A11D71 #A18F1D #1DA14D

split-complementary

#1D2FA1 #A14D1D #71A11D

monochromatic

#0A1139 #14206D #1D2FA1 #263ED5 #586AE1

Accessibility & contrast

On white

10.64

#1D2FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1D2FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2FA1

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2FA1	#FFFFFF	#000000	##FFFFFF
##1D2FA1	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A4

Deuteranopia (green-blind)

#00389F

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1d2fa1;
/* rgb */ color: rgb(29, 47, 161);
/* oklch */ color: oklch(38.0% 0.183 268.2);

Tailwind

colors: {
  custom: {
    50: '#7268be',
    500: '#1d2fa1',
    950: '#000000',
  },
}

SCSS

$custom: #1d2fa1;
$custom-light: #7268be;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2fa1",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 161
  },
  "hsl": {
    "h": 231.818,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37973,
    "c": 0.18255,
    "h": 268.2
  },
  "luminance": 0.04867
}

Semantic roles & 50–950 ramp

primary

#1D2FA1

secondary

#C4B555

accent

#D43CEC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1D2FA1

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

Preview Lab → · Contrast checker → · Palette generator →