#1F26A6#1F26A6

#1F26A6 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.2% C 0.197 H 269.7°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#1F26A6
RGB	rgb(31, 38, 166)
HSL	hsl(237, 69%, 39%)
HSV	hsv(237, 81%, 65%)
CMYK	cmyk(81.3%, 77.1%, 0%, 34.9%)
CIE-LAB	lab(25.04, 43.47, -68.16)
CIE-LCH	lch(25.04, 80.84, 302.53°)
OKLab	oklab(37.22% -0.0012 -0.1974)
OKLCH	oklch(37.22% 0.197 269.7)
XYZ	xyz(8.1388, 4.4298, 36.4951)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F26A6 #A69F1F

analogous

#1F69A6 #1F26A6 #5B1FA6

triadic

#1F26A6 #A61F26 #26A61F

tetradic

#1F26A6 #A61F69 #A69F1F #1FA65B

square

#1F26A6 #A61F69 #A69F1F #1FA65B

split-complementary

#1F26A6 #A65B1F #69A61F

monochromatic

#0C0E3F #151A72 #1F26A6 #2B34D7 #5E65E1

Accessibility & contrast

On white

11.13

#1F26A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1F26A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F26A6

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F26A6	#FFFFFF	#000000	##FFFFFF
##1F26A6	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AA

Deuteranopia (green-blind)

#0034A4

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1f26a6;
/* rgb */ color: rgb(31, 38, 166);
/* oklch */ color: oklch(37.2% 0.197 269.7);

Tailwind

colors: {
  custom: {
    50: '#7562c2',
    500: '#1f26a6',
    950: '#000000',
  },
}

SCSS

$custom: #1f26a6;
$custom-light: #7562c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f26a6",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 166
  },
  "hsl": {
    "h": 236.889,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37223,
    "c": 0.19745,
    "h": 269.7
  },
  "luminance": 0.04431
}

Semantic roles & 50–950 ramp

primary

#1F26A6

secondary

#C5C05B

accent

#E23CEB

background

#F7F5FC

surface

#EEEAF8

border

#C9C6D1

text

#0A0513

muted

#7C7982

Preview Lab

Preview with #1F26A6

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

Preview Lab → · Contrast checker → · Palette generator →