#313E7F#313E7F

#313E7F is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.9% C 0.110 H 271.9°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#313E7F
RGB	rgb(49, 62, 127)
HSL	hsl(230, 44%, 35%)
HSV	hsv(230, 61%, 50%)
CMYK	cmyk(61.4%, 51.2%, 0%, 50.2%)
CIE-LAB	lab(28.46, 16.12, -38.54)
CIE-LCH	lch(28.46, 41.77, 292.71°)
OKLab	oklab(38.93% 0.0036 -0.1102)
OKLCH	oklch(38.93% 0.11 271.9)
XYZ	xyz(6.8187, 5.6300, 20.8019)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313E7F #7F7231

analogous

#31657F #313E7F #4B317F

triadic

#313E7F #7F313E #3E7F31

tetradic

#313E7F #7F3165 #7F7231 #317F4B

square

#313E7F #7F3165 #7F7231 #317F4B

split-complementary

#313E7F #7F4B31 #657F31

monochromatic

#0F1327 #202853 #313E7F #4254AB #6676C4

Accessibility & contrast

On white

9.88

#313E7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#313E7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313E7F

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313E7F	#FFFFFF	#000000	##FFFFFF
##313E7F	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4781

Deuteranopia (green-blind)

#0E407E

Tritanopia (blue-blind)

#004D58

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #313e7f;
/* rgb */ color: rgb(49, 62, 127);
/* oklch */ color: oklch(38.9% 0.110 271.9);

Tailwind

colors: {
  custom: {
    50: '#7173a4',
    500: '#313e7f',
    950: '#000000',
  },
}

SCSS

$custom: #313e7f;
$custom-light: #7173a4;
$custom-dark: #000000;

JSON

{
  "hex": "#313e7f",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 127
  },
  "hsl": {
    "h": 230,
    "s": 44.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.38933,
    "c": 0.11025,
    "h": 271.9
  },
  "luminance": 0.05631
}

Semantic roles & 50–950 ramp

primary

#313E7F

secondary

#AB9F60

accent

#BF54D4

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #313E7F

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

Preview Lab → · Contrast checker → · Palette generator →