#1D2F97#1D2F97

#1D2F97 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.9% C 0.170 H 268.4°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F97
RGB	rgb(29, 47, 151)
HSL	hsl(231, 68%, 35%)
HSV	hsv(231, 81%, 59%)
CMYK	cmyk(80.8%, 68.9%, 0%, 40.8%)
CIE-LAB	lab(25.34, 32.44, -58.53)
CIE-LCH	lch(25.34, 66.91, 299.00°)
OKLab	oklab(36.94% -0.0048 -0.1695)
OKLCH	oklch(36.94% 0.17 268.4)
XYZ	xyz(7.1072, 4.5278, 29.7715)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F97 #97851D

analogous

#1D6C97 #1D2F97 #481D97

triadic

#1D2F97 #971D2F #2F971D

tetradic

#1D2F97 #971D6C #97851D #1D9748

square

#1D2F97 #971D6C #97851D #1D9748

split-complementary

#1D2F97 #97481D #6C971D

monochromatic

#090F30 #131F64 #1D2F97 #273FCA #5166DE

Accessibility & contrast

On white

11.02

#1D2F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1D2F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F97

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F97	#FFFFFF	#000000	##FFFFFF
##1D2F97	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429A

Deuteranopia (green-blind)

#003695

Tritanopia (blue-blind)

#004B5F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1d2f97;
/* rgb */ color: rgb(29, 47, 151);
/* oklch */ color: oklch(36.9% 0.170 268.4);

Tailwind

colors: {
  custom: {
    50: '#6f67b7',
    500: '#1d2f97',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f97;
$custom-light: #6f67b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f97",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 151
  },
  "hsl": {
    "h": 231.148,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.3694,
    "c": 0.16956,
    "h": 268.4
  },
  "luminance": 0.04529
}

Semantic roles & 50–950 ramp

primary

#1D2F97

secondary

#C0B04F

accent

#D13DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1D2F97

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

Preview Lab → · Contrast checker → · Palette generator →