#1F1677#1F1677

#1F1677 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.6% C 0.154 H 275.6°. Best body text is #FFFFFF at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F1677
RGB	rgb(31, 22, 119)
HSL	hsl(246, 69%, 28%)
HSV	hsv(246, 82%, 47%)
CMYK	cmyk(73.9%, 81.5%, 0%, 53.3%)
CIE-LAB	lab(16.49, 36.47, -53.04)
CIE-LCH	lch(16.49, 64.37, 304.51°)
OKLab	oklab(29.61% 0.0149 -0.1534)
OKLCH	oklch(29.61% 0.154 275.6)
XYZ	xyz(4.1807, 2.1966, 17.6529)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1677 #6E7716

analogous

#163D77 #1F1677 #4F1677

triadic

#1F1677 #771F16 #16771F

tetradic

#1F1677 #77163D #6E7716 #16774F

square

#1F1677 #77163D #6E7716 #16774F

split-complementary

#1F1677 #774F16 #3D7716

monochromatic

#07051A #120C43 #1F1677 #2C20AB #3F2FD9

Accessibility & contrast

On white

14.59

#1F1677 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1F1677 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1677

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1677	#FFFFFF	#000000	##FFFFFF
##1F1677	1.00	14.59	1.44	14.59
#FFFFFF	14.59	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7A

Deuteranopia (green-blind)

#002475

Tritanopia (blue-blind)

#003346

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1f1677;
/* rgb */ color: rgb(31, 22, 119);
/* oklch */ color: oklch(29.6% 0.154 275.6);

Tailwind

colors: {
  custom: {
    50: '#6a569f',
    500: '#1f1677',
    950: '#000000',
  },
}

SCSS

$custom: #1f1677;
$custom-light: #6a569f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1677",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 119
  },
  "hsl": {
    "h": 245.567,
    "s": 68.794,
    "l": 27.647
  },
  "oklch": {
    "l": 0.29608,
    "c": 0.15408,
    "h": 275.6
  },
  "luminance": 0.02197
}

Semantic roles & 50–950 ramp

primary

#1F1677

secondary

#A2AC3C

accent

#EC3CDB

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08030F

muted

#7A787E

Preview Lab

Preview with #1F1677

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

Preview Lab → · Contrast checker → · Palette generator →