#1F2E5B#1F2E5B

#1F2E5B is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.4% C 0.083 H 267.6°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#1F2E5B
RGB	rgb(31, 46, 91)
HSL	hsl(225, 49%, 24%)
HSV	hsv(225, 66%, 36%)
CMYK	cmyk(65.9%, 49.5%, 0%, 64.3%)
CIE-LAB	lab(20.05, 9.86, -28.96)
CIE-LCH	lch(20.05, 30.60, 288.80°)
OKLab	oklab(31.42% -0.0034 -0.0827)
OKLCH	oklch(31.42% 0.083 267.6)
XYZ	xyz(3.4298, 3.0003, 10.2939)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2E5B #5B4C1F

analogous

#1F4C5B #1F2E5B #2E1F5B

triadic

#1F2E5B #5B1F2E #2E5B1F

tetradic

#1F2E5B #5B1F4C #5B4C1F #1F5B2E

square

#1F2E5B #5B1F4C #5B4C1F #1F5B2E

split-complementary

#1F2E5B #5B2E1F #4C5B1F

monochromatic

#080C17 #0F172D #1F2E5B #2F4589 #3E5CB6

Accessibility & contrast

On white

13.12

#1F2E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1F2E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2E5B

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2E5B	#FFFFFF	#000000	##FFFFFF
##1F2E5B	1.00	13.12	1.60	13.12
#FFFFFF	13.12	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18335D

Deuteranopia (green-blind)

#0F2E5A

Tritanopia (blue-blind)

#003840

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1f2e5b;
/* rgb */ color: rgb(31, 46, 91);
/* oklch */ color: oklch(31.4% 0.083 267.6);

Tailwind

colors: {
  custom: {
    50: '#61668a',
    500: '#1f2e5b',
    950: '#000000',
  },
}

SCSS

$custom: #1f2e5b;
$custom-light: #61668a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2e5b",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 91
  },
  "hsl": {
    "h": 225,
    "s": 49.18,
    "l": 23.922
  },
  "oklch": {
    "l": 0.31425,
    "c": 0.08277,
    "h": 267.6
  },
  "luminance": 0.03001
}

Semantic roles & 50–950 ramp

primary

#1F2E5B

secondary

#907D46

accent

#B64FD9

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05050B

muted

#7A7A7C

Preview Lab

Preview with #1F2E5B

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

Preview Lab → · Contrast checker → · Palette generator →