#1F2890#1F2890

#1F2890 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.1% C 0.168 H 270.5°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#1F2890
RGB	rgb(31, 40, 144)
HSL	hsl(235, 65%, 34%)
HSV	hsv(235, 78%, 56%)
CMYK	cmyk(78.5%, 72.2%, 0%, 43.5%)
CIE-LAB	lab(23.07, 34.53, -57.94)
CIE-LCH	lch(23.07, 67.45, 300.79°)
OKLab	oklab(35.11% 0.0013 -0.1678)
OKLCH	oklch(35.11% 0.168 270.5)
XYZ	xyz(6.3562, 3.8218, 26.7828)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2890 #90871F

analogous

#1F6190 #1F2890 #4F1F90

triadic

#1F2890 #901F28 #28901F

tetradic

#1F2890 #901F61 #90871F #1F904F

square

#1F2890 #901F61 #90871F #1F904F

split-complementary

#1F2890 #904F1F #61901F

monochromatic

#090C2B #141A5E #1F2890 #2A36C2 #505BD9

Accessibility & contrast

On white

11.90

#1F2890 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1F2890 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2890

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2890	#FFFFFF	#000000	##FFFFFF
##1F2890	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D93

Deuteranopia (green-blind)

#00328E

Tritanopia (blue-blind)

#004559

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1f2890;
/* rgb */ color: rgb(31, 40, 144);
/* oklch */ color: oklch(35.1% 0.168 270.5);

Tailwind

colors: {
  custom: {
    50: '#6f62b2',
    500: '#1f2890',
    950: '#000000',
  },
}

SCSS

$custom: #1f2890;
$custom-light: #6f62b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2890",
  "rgb": {
    "r": 31,
    "g": 40,
    "b": 144
  },
  "hsl": {
    "h": 235.221,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.35108,
    "c": 0.16777,
    "h": 270.5
  },
  "luminance": 0.03823
}

Semantic roles & 50–950 ramp

primary

#1F2890

secondary

#BCB44E

accent

#DA40E8

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2890

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

Preview Lab → · Contrast checker → · Palette generator →