#1F126F#1F126F

#1F126F is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.1% C 0.148 H 277.4°. Best body text is #FFFFFF at 15.28:1 contrast (WCAG AA passes).

Color values

HEX	#1F126F
RGB	rgb(31, 18, 111)
HSL	hsl(248, 72%, 25%)
HSV	hsv(248, 84%, 44%)
CMYK	cmyk(72.1%, 83.8%, 0%, 56.5%)
CIE-LAB	lab(14.80, 35.94, -50.66)
CIE-LCH	lch(14.80, 62.12, 305.35°)
OKLab	oklab(28.15% 0.0191 -0.1464)
OKLCH	oklch(28.15% 0.148 277.4)
XYZ	xyz(3.6497, 1.8713, 15.2047)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F126F #626F12

analogous

#12336F #1F126F #4D126F

triadic

#1F126F #6F1F12 #126F1F

tetradic

#1F126F #6F1233 #626F12 #126F4D

square

#1F126F #6F1233 #626F12 #126F4D

split-complementary

#1F126F #6F4D12 #336F12

monochromatic

#07041A #10093A #1F126F #2E1BA4 #3C23D8

Accessibility & contrast

On white

15.28

#1F126F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#1F126F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F126F

15.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F126F	#FFFFFF	#000000	##FFFFFF
##1F126F	1.00	15.28	1.37	15.28
#FFFFFF	15.28	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002972

Deuteranopia (green-blind)

#00216D

Tritanopia (blue-blind)

#002F41

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1f126f;
/* rgb */ color: rgb(31, 18, 111);
/* oklch */ color: oklch(28.1% 0.148 277.4);

Tailwind

colors: {
  custom: {
    50: '#695399',
    500: '#1f126f',
    950: '#000000',
  },
}

SCSS

$custom: #1f126f;
$custom-light: #695399;
$custom-dark: #000000;

JSON

{
  "hex": "#1f126f",
  "rgb": {
    "r": 31,
    "g": 18,
    "b": 111
  },
  "hsl": {
    "h": 248.387,
    "s": 72.093,
    "l": 25.294
  },
  "oklch": {
    "l": 0.28149,
    "c": 0.14763,
    "h": 277.4
  },
  "luminance": 0.01872
}

Semantic roles & 50–950 ramp

primary

#1F126F

secondary

#97A637

accent

#EF39D5

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1F126F

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

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