#1F126E#1F126E

#1F126E is a dark, vivid blue. Relative luminance 0.018; OKLCH L 28.0% C 0.146 H 277.6°. Best body text is #FFFFFF at 15.33:1 contrast (WCAG AA passes).

Color values

HEX	#1F126E
RGB	rgb(31, 18, 110)
HSL	hsl(248, 72%, 25%)
HSV	hsv(248, 84%, 43%)
CMYK	cmyk(71.8%, 83.6%, 0%, 56.9%)
CIE-LAB	lab(14.68, 35.61, -50.21)
CIE-LCH	lch(14.68, 61.56, 305.35°)
OKLab	oklab(28.03% 0.0194 -0.1451)
OKLCH	oklch(28.03% 0.146 277.6)
XYZ	xyz(3.5949, 1.8494, 14.9163)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F126E #616E12

analogous

#12336E #1F126E #4D126E

triadic

#1F126E #6E1F12 #126E1F

tetradic

#1F126E #6E1233 #616E12 #126E4D

square

#1F126E #6E1233 #616E12 #126E4D

split-complementary

#1F126E #6E4D12 #336E12

monochromatic

#07041A #100939 #1F126E #2E1BA3 #3D23D7

Accessibility & contrast

On white

15.33

#1F126E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#1F126E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F126E

15.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F126E	#FFFFFF	#000000	##FFFFFF
##1F126E	1.00	15.33	1.37	15.33
#FFFFFF	15.33	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002971

Deuteranopia (green-blind)

#00216C

Tritanopia (blue-blind)

#002E40

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1f126e;
/* rgb */ color: rgb(31, 18, 110);
/* oklch */ color: oklch(28.0% 0.146 277.6);

Tailwind

colors: {
  custom: {
    50: '#685399',
    500: '#1f126e',
    950: '#000000',
  },
}

SCSS

$custom: #1f126e;
$custom-light: #685399;
$custom-dark: #000000;

JSON

{
  "hex": "#1f126e",
  "rgb": {
    "r": 31,
    "g": 18,
    "b": 110
  },
  "hsl": {
    "h": 248.478,
    "s": 71.875,
    "l": 25.098
  },
  "oklch": {
    "l": 0.2803,
    "c": 0.14637,
    "h": 277.6
  },
  "luminance": 0.0185
}

Semantic roles & 50–950 ramp

primary

#1F126E

secondary

#96A537

accent

#EF39D5

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1F126E

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

Preview Lab → · Contrast checker → · Palette generator →