#1F295E#1F295E

#1F295E is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.5% C 0.095 H 271.6°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#1F295E
RGB	rgb(31, 41, 94)
HSL	hsl(230, 50%, 25%)
HSV	hsv(230, 67%, 37%)
CMYK	cmyk(67%, 56.4%, 0%, 63.1%)
CIE-LAB	lab(18.74, 14.66, -33.06)
CIE-LCH	lch(18.74, 36.16, 293.92°)
OKLab	oklab(30.5% 0.0027 -0.0948)
OKLCH	oklch(30.5% 0.095 271.6)
XYZ	xyz(3.3777, 2.6850, 10.9278)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F295E #5E541F

analogous

#1F495E #1F295E #351F5E

triadic

#1F295E #5E1F29 #295E1F

tetradic

#1F295E #5E1F49 #5E541F #1F5E35

square

#1F295E #5E1F49 #5E541F #1F5E35

split-complementary

#1F295E #5E351F #495E1F

monochromatic

#080A17 #101530 #1F295E #2E3D8C #3D51BA

Accessibility & contrast

On white

13.66

#1F295E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1F295E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F295E

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F295E	#FFFFFF	#000000	##FFFFFF
##1F295E	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#083060

Deuteranopia (green-blind)

#002B5D

Tritanopia (blue-blind)

#00353F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f295e;
/* rgb */ color: rgb(31, 41, 94);
/* oklch */ color: oklch(30.5% 0.095 271.6);

Tailwind

colors: {
  custom: {
    50: '#62628c',
    500: '#1f295e',
    950: '#000000',
  },
}

SCSS

$custom: #1f295e;
$custom-light: #62628c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f295e",
  "rgb": {
    "r": 31,
    "g": 41,
    "b": 94
  },
  "hsl": {
    "h": 230.476,
    "s": 50.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.30502,
    "c": 0.09484,
    "h": 271.6
  },
  "luminance": 0.02685
}

Semantic roles & 50–950 ramp

primary

#1F295E

secondary

#938746

accent

#C44EDA

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#05050C

muted

#7A797D

Preview Lab

Preview with #1F295E

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

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