#1F126C#1F126C

#1F126C is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.8% C 0.144 H 278.0°. Best body text is #FFFFFF at 15.43:1 contrast (WCAG AA passes).

Color values

HEX	#1F126C
RGB	rgb(31, 18, 108)
HSL	hsl(249, 71%, 25%)
HSV	hsv(249, 83%, 42%)
CMYK	cmyk(71.3%, 83.3%, 0%, 57.6%)
CIE-LAB	lab(14.44, 34.96, -49.30)
CIE-LCH	lch(14.44, 60.44, 305.34°)
OKLab	oklab(27.79% 0.02 -0.1424)
OKLCH	oklch(27.79% 0.144 278)
XYZ	xyz(3.4873, 1.8063, 14.3493)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F126C #5F6C12

analogous

#12326C #1F126C #4C126C

triadic

#1F126C #6C1F12 #126C1F

tetradic

#1F126C #6C1232 #5F6C12 #126C4C

square

#1F126C #6C1232 #5F6C12 #126C4C

split-complementary

#1F126C #6C4C12 #326C12

monochromatic

#08041A #100938 #1F126C #2E1BA0 #3D23D5

Accessibility & contrast

On white

15.43

#1F126C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1F126C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F126C

15.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F126C	#FFFFFF	#000000	##FFFFFF
##1F126C	1.00	15.43	1.36	15.43
#FFFFFF	15.43	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286E

Deuteranopia (green-blind)

#00216A

Tritanopia (blue-blind)

#002D3F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1f126c;
/* rgb */ color: rgb(31, 18, 108);
/* oklch */ color: oklch(27.8% 0.144 278.0);

Tailwind

colors: {
  custom: {
    50: '#685397',
    500: '#1f126c',
    950: '#000000',
  },
}

SCSS

$custom: #1f126c;
$custom-light: #685397;
$custom-dark: #000000;

JSON

{
  "hex": "#1f126c",
  "rgb": {
    "r": 31,
    "g": 18,
    "b": 108
  },
  "hsl": {
    "h": 248.667,
    "s": 71.429,
    "l": 24.706
  },
  "oklch": {
    "l": 0.27793,
    "c": 0.14383,
    "h": 278
  },
  "luminance": 0.01807
}

Semantic roles & 50–950 ramp

primary

#1F126C

secondary

#94A336

accent

#EE3AD4

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1F126C

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

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