#1F266E#1F266E

#1F266E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.3% C 0.123 H 272.7°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#1F266E
RGB	rgb(31, 38, 110)
HSL	hsl(235, 56%, 28%)
HSV	hsv(235, 72%, 43%)
CMYK	cmyk(71.8%, 65.5%, 0%, 56.9%)
CIE-LAB	lab(19.24, 23.07, -42.71)
CIE-LCH	lch(19.24, 48.55, 298.37°)
OKLab	oklab(31.3% 0.0058 -0.1232)
OKLCH	oklch(31.3% 0.123 272.7)
XYZ	xyz(4.0717, 2.8029, 15.0753)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F266E #6E671F

analogous

#1F4D6E #1F266E #401F6E

triadic

#1F266E #6E1F26 #266E1F

tetradic

#1F266E #6E1F4D #6E671F #1F6E40

square

#1F266E #6E1F4D #6E671F #1F6E40

split-complementary

#1F266E #6E401F #4D6E1F

monochromatic

#070818 #12163E #1F266E #2C369E #3F4BC9

Accessibility & contrast

On white

13.46

#1F266E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1F266E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F266E

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F266E	#FFFFFF	#000000	##FFFFFF
##1F266E	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003270

Deuteranopia (green-blind)

#002B6D

Tritanopia (blue-blind)

#003846

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1f266e;
/* rgb */ color: rgb(31, 38, 110);
/* oklch */ color: oklch(31.3% 0.123 272.7);

Tailwind

colors: {
  custom: {
    50: '#666098',
    500: '#1f266e',
    950: '#000000',
  },
}

SCSS

$custom: #1f266e;
$custom-light: #666098;
$custom-dark: #000000;

JSON

{
  "hex": "#1f266e",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 110
  },
  "hsl": {
    "h": 234.684,
    "s": 56.028,
    "l": 27.647
  },
  "oklch": {
    "l": 0.31299,
    "c": 0.12337,
    "h": 272.7
  },
  "luminance": 0.02803
}

Semantic roles & 50–950 ramp

primary

#1F266E

secondary

#A29A47

accent

#D248DF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #1F266E

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

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