#1F1EA9#1F1EA9

#1F1EA9 is a dark, highly saturated blue. Relative luminance 0.041; OKLCH L 36.6% C 0.208 H 270.1°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#1F1EA9
RGB	rgb(31, 30, 169)
HSL	hsl(240, 70%, 39%)
HSV	hsv(240, 82%, 66%)
CMYK	cmyk(81.7%, 82.2%, 0%, 33.7%)
CIE-LAB	lab(23.95, 48.65, -71.80)
CIE-LCH	lch(23.95, 86.73, 304.12°)
OKLab	oklab(36.56% 0.0003 -0.2079)
OKLCH	oklch(36.56% 0.208 270.1)
XYZ	xyz(8.1883, 4.0835, 37.8851)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1EA9 #A8A91E

analogous

#1E63A9 #1F1EA9 #651EA9

triadic

#1F1EA9 #A91F1E #1EA91F

tetradic

#1F1EA9 #A91E63 #A8A91E #1EA965

square

#1F1EA9 #A91E63 #A8A91E #1EA965

split-complementary

#1F1EA9 #A9651E #63A91E

monochromatic

#0C0C41 #151575 #1F1EA9 #2C2BD9 #605FE3

Accessibility & contrast

On white

11.56

#1F1EA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1F1EA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1EA9

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1EA9	#FFFFFF	#000000	##FFFFFF
##1F1EA9	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AD

Deuteranopia (green-blind)

#0032A7

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1f1ea9;
/* rgb */ color: rgb(31, 30, 169);
/* oklch */ color: oklch(36.6% 0.208 270.1);

Tailwind

colors: {
  custom: {
    50: '#765ec4',
    500: '#1f1ea9',
    950: '#000000',
  },
}

SCSS

$custom: #1f1ea9;
$custom-light: #765ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1ea9",
  "rgb": {
    "r": 31,
    "g": 30,
    "b": 169
  },
  "hsl": {
    "h": 240.432,
    "s": 69.849,
    "l": 39.02
  },
  "oklch": {
    "l": 0.36556,
    "c": 0.20786,
    "h": 270.1
  },
  "luminance": 0.04084
}

Semantic roles & 50–950 ramp

primary

#1F1EA9

secondary

#C6C75C

accent

#ED3BEB

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #1F1EA9

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

Preview Lab → · Contrast checker → · Palette generator →