#1F266C#1F266C

#1F266C is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.1% C 0.120 H 272.8°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#1F266C
RGB	rgb(31, 38, 108)
HSL	hsl(235, 55%, 27%)
HSV	hsv(235, 71%, 42%)
CMYK	cmyk(71.3%, 64.8%, 0%, 57.6%)
CIE-LAB	lab(19.06, 22.29, -41.71)
CIE-LCH	lch(19.06, 47.30, 298.12°)
OKLab	oklab(31.11% 0.0059 -0.1203)
OKLCH	oklch(31.11% 0.12 272.8)
XYZ	xyz(3.9641, 2.7599, 14.5083)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F266C #6C651F

analogous

#1F4D6C #1F266C #3E1F6C

triadic

#1F266C #6C1F26 #266C1F

tetradic

#1F266C #6C1F4D #6C651F #1F6C3E

square

#1F266C #6C1F4D #6C651F #1F6C3E

split-complementary

#1F266C #6C3E1F #4D6C1F

monochromatic

#070818 #11153C #1F266C #2D379C #3E4AC8

Accessibility & contrast

On white

13.53

#1F266C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1F266C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F266C

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F266C	#FFFFFF	#000000	##FFFFFF
##1F266C	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326E

Deuteranopia (green-blind)

#002B6B

Tritanopia (blue-blind)

#003845

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f266c;
/* rgb */ color: rgb(31, 38, 108);
/* oklch */ color: oklch(31.1% 0.120 272.8);

Tailwind

colors: {
  custom: {
    50: '#666097',
    500: '#1f266c',
    950: '#000000',
  },
}

SCSS

$custom: #1f266c;
$custom-light: #666097;
$custom-dark: #000000;

JSON

{
  "hex": "#1f266c",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 108
  },
  "hsl": {
    "h": 234.545,
    "s": 55.396,
    "l": 27.255
  },
  "oklch": {
    "l": 0.31109,
    "c": 0.12044,
    "h": 272.8
  },
  "luminance": 0.0276
}

Semantic roles & 50–950 ramp

primary

#1F266C

secondary

#A09847

accent

#D149DF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1F266C

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

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