#1F295F#1F295F

#1F295F is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.6% C 0.096 H 271.6°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#1F295F
RGB	rgb(31, 41, 95)
HSL	hsl(231, 51%, 25%)
HSV	hsv(231, 67%, 37%)
CMYK	cmyk(67.4%, 56.8%, 0%, 62.7%)
CIE-LAB	lab(18.81, 15.06, -33.59)
CIE-LCH	lch(18.81, 36.81, 294.15°)
OKLab	oklab(30.59% 0.0028 -0.0964)
OKLCH	oklch(30.59% 0.096 271.6)
XYZ	xyz(3.4229, 2.7031, 11.1656)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F295F #5F551F

analogous

#1F495F #1F295F #351F5F

triadic

#1F295F #5F1F29 #295F1F

tetradic

#1F295F #5F1F49 #5F551F #1F5F35

square

#1F295F #5F1F49 #5F551F #1F5F35

split-complementary

#1F295F #5F351F #495F1F

monochromatic

#080A17 #101531 #1F295F #2E3D8D #3D51BB

Accessibility & contrast

On white

13.63

#1F295F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1F295F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F295F

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F295F	#FFFFFF	#000000	##FFFFFF
##1F295F	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#073161

Deuteranopia (green-blind)

#002B5E

Tritanopia (blue-blind)

#00363F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f295f;
/* rgb */ color: rgb(31, 41, 95);
/* oklch */ color: oklch(30.6% 0.096 271.6);

Tailwind

colors: {
  custom: {
    50: '#62628d',
    500: '#1f295f',
    950: '#000000',
  },
}

SCSS

$custom: #1f295f;
$custom-light: #62628d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f295f",
  "rgb": {
    "r": 31,
    "g": 41,
    "b": 95
  },
  "hsl": {
    "h": 230.625,
    "s": 50.794,
    "l": 24.706
  },
  "oklch": {
    "l": 0.30585,
    "c": 0.09642,
    "h": 271.6
  },
  "luminance": 0.02703
}

Semantic roles & 50–950 ramp

primary

#1F295F

secondary

#948846

accent

#C44EDA

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#06050C

muted

#7A797D

Preview Lab

Preview with #1F295F

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

Preview Lab → · Contrast checker → · Palette generator →