#1F2BA9#1F2BA9

#1F2BA9 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.3% C 0.196 H 269.0°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#1F2BA9
RGB	rgb(31, 43, 169)
HSL	hsl(235, 69%, 39%)
HSV	hsv(235, 82%, 66%)
CMYK	cmyk(81.7%, 74.6%, 0%, 33.7%)
CIE-LAB	lab(26.40, 41.62, -67.73)
CIE-LCH	lch(26.40, 79.50, 301.57°)
OKLab	oklab(38.28% -0.0033 -0.1963)
OKLCH	oklch(38.28% 0.196 269)
XYZ	xyz(8.5879, 4.8826, 38.0182)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2BA9 #A99D1F

analogous

#1F70A9 #1F2BA9 #581FA9

triadic

#1F2BA9 #A91F2B #2BA91F

tetradic

#1F2BA9 #A91F70 #A99D1F #1FA958

square

#1F2BA9 #A91F70 #A99D1F #1FA958

split-complementary

#1F2BA9 #A9581F #70A91F

monochromatic

#0C1142 #161E75 #1F2BA9 #2D3CD8 #606CE2

Accessibility & contrast

On white

10.62

#1F2BA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1F2BA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2BA9

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2BA9	#FFFFFF	#000000	##FFFFFF
##1F2BA9	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AD

Deuteranopia (green-blind)

#0038A7

Tritanopia (blue-blind)

#005068

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1f2ba9;
/* rgb */ color: rgb(31, 43, 169);
/* oklch */ color: oklch(38.3% 0.196 269.0);

Tailwind

colors: {
  custom: {
    50: '#7565c4',
    500: '#1f2ba9',
    950: '#000000',
  },
}

SCSS

$custom: #1f2ba9;
$custom-light: #7565c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2ba9",
  "rgb": {
    "r": 31,
    "g": 43,
    "b": 169
  },
  "hsl": {
    "h": 234.783,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38282,
    "c": 0.19629,
    "h": 269
  },
  "luminance": 0.04884
}

Semantic roles & 50–950 ramp

primary

#1F2BA9

secondary

#C7BD5D

accent

#DD3CEC

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #1F2BA9

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

Preview Lab → · Contrast checker → · Palette generator →