#1F2993#1F2993

#1F2993 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.6% C 0.171 H 270.2°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#1F2993
RGB	rgb(31, 41, 147)
HSL	hsl(235, 65%, 35%)
HSV	hsv(235, 79%, 58%)
CMYK	cmyk(78.9%, 72.1%, 0%, 42.4%)
CIE-LAB	lab(23.62, 34.99, -58.91)
CIE-LCH	lch(23.62, 68.52, 300.71°)
OKLab	oklab(35.59% 0.0005 -0.1706)
OKLCH	oklch(35.59% 0.171 270.2)
XYZ	xyz(6.6227, 3.9830, 28.0179)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2993 #93891F

analogous

#1F6393 #1F2993 #4F1F93

triadic

#1F2993 #931F29 #29931F

tetradic

#1F2993 #931F63 #93891F #1F934F

square

#1F2993 #931F63 #93891F #1F934F

split-complementary

#1F2993 #934F1F #63931F

monochromatic

#0A0D2E #141B60 #1F2993 #2A37C6 #525EDA

Accessibility & contrast

On white

11.69

#1F2993 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1F2993 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2993

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2993	#FFFFFF	#000000	##FFFFFF
##1F2993	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E96

Deuteranopia (green-blind)

#003391

Tritanopia (blue-blind)

#00475B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f2993;
/* rgb */ color: rgb(31, 41, 147);
/* oklch */ color: oklch(35.6% 0.171 270.2);

Tailwind

colors: {
  custom: {
    50: '#7063b4',
    500: '#1f2993',
    950: '#000000',
  },
}

SCSS

$custom: #1f2993;
$custom-light: #7063b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2993",
  "rgb": {
    "r": 31,
    "g": 41,
    "b": 147
  },
  "hsl": {
    "h": 234.828,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35591,
    "c": 0.17057,
    "h": 270.2
  },
  "luminance": 0.03984
}

Semantic roles & 50–950 ramp

primary

#1F2993

secondary

#BEB450

accent

#DA40E8

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2993

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

Preview Lab → · Contrast checker → · Palette generator →