#1F126D#1F126D

#1F126D is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.9% C 0.145 H 277.8°. Best body text is #FFFFFF at 15.38:1 contrast (WCAG AA passes).

Color values

HEX	#1F126D
RGB	rgb(31, 18, 109)
HSL	hsl(249, 72%, 25%)
HSV	hsv(249, 83%, 43%)
CMYK	cmyk(71.6%, 83.5%, 0%, 57.3%)
CIE-LAB	lab(14.56, 35.28, -49.76)
CIE-LCH	lch(14.56, 61.00, 305.34°)
OKLab	oklab(27.91% 0.0197 -0.1437)
OKLCH	oklch(27.91% 0.145 277.8)
XYZ	xyz(3.5408, 1.8277, 14.6312)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F126D #606D12

analogous

#12336D #1F126D #4C126D

triadic

#1F126D #6D1F12 #126D1F

tetradic

#1F126D #6D1233 #606D12 #126D4C

square

#1F126D #6D1233 #606D12 #126D4C

split-complementary

#1F126D #6D4C12 #336D12

monochromatic

#07041A #100938 #1F126D #2E1BA2 #3D23D6

Accessibility & contrast

On white

15.38

#1F126D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#1F126D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F126D

15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F126D	#FFFFFF	#000000	##FFFFFF
##1F126D	1.00	15.38	1.37	15.38
#FFFFFF	15.38	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002870

Deuteranopia (green-blind)

#00216B

Tritanopia (blue-blind)

#002E40

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1f126d;
/* rgb */ color: rgb(31, 18, 109);
/* oklch */ color: oklch(27.9% 0.145 277.8);

Tailwind

colors: {
  custom: {
    50: '#685398',
    500: '#1f126d',
    950: '#000000',
  },
}

SCSS

$custom: #1f126d;
$custom-light: #685398;
$custom-dark: #000000;

JSON

{
  "hex": "#1f126d",
  "rgb": {
    "r": 31,
    "g": 18,
    "b": 109
  },
  "hsl": {
    "h": 248.571,
    "s": 71.654,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27911,
    "c": 0.1451,
    "h": 277.8
  },
  "luminance": 0.01828
}

Semantic roles & 50–950 ramp

primary

#1F126D

secondary

#95A437

accent

#EE39D5

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1F126D

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

Preview Lab → · Contrast checker → · Palette generator →