#10317E#10317E

#10317E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.4% C 0.136 H 263.4°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#10317E
RGB	rgb(16, 49, 126)
HSL	hsl(222, 77%, 28%)
HSV	hsv(222, 87%, 49%)
CMYK	cmyk(87.3%, 61.1%, 0%, 50.6%)
CIE-LAB	lab(23.04, 20.01, -46.76)
CIE-LCH	lch(23.04, 50.86, 293.17°)
OKLab	oklab(34.38% -0.0157 -0.1353)
OKLCH	oklch(34.38% 0.136 263.4)
XYZ	xyz(5.0765, 3.8125, 20.2029)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10317E #7E5D10

analogous

#10687E #10317E #26107E

triadic

#10317E #7E1031 #317E10

tetradic

#10317E #7E1068 #7E5D10 #107E26

square

#10317E #7E1068 #7E5D10 #107E26

split-complementary

#10317E #7E2610 #687E10

monochromatic

#030B1B #091C48 #10317E #1746B4 #255EE3

Accessibility & contrast

On white

11.91

#10317E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#10317E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10317E

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10317E	#FFFFFF	#000000	##FFFFFF
##10317E	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C81

Deuteranopia (green-blind)

#00327D

Tritanopia (blue-blind)

#004552

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #10317e;
/* rgb */ color: rgb(16, 49, 126);
/* oklch */ color: oklch(34.4% 0.136 263.4);

Tailwind

colors: {
  custom: {
    50: '#6568a4',
    500: '#10317e',
    950: '#000000',
  },
}

SCSS

$custom: #10317e;
$custom-light: #6568a4;
$custom-dark: #000000;

JSON

{
  "hex": "#10317e",
  "rgb": {
    "r": 16,
    "g": 49,
    "b": 126
  },
  "hsl": {
    "h": 222,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.34384,
    "c": 0.13617,
    "h": 263.4
  },
  "luminance": 0.03813
}

Semantic roles & 50–950 ramp

primary

#10317E

secondary

#B48E36

accent

#BA34F4

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #10317E

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

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