#101A7E#101A7E

#101A7E is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.2% C 0.163 H 268.0°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#101A7E
RGB	rgb(16, 26, 126)
HSL	hsl(235, 77%, 28%)
HSV	hsv(235, 87%, 49%)
CMYK	cmyk(87.3%, 79.4%, 0%, 50.6%)
CIE-LAB	lab(17.25, 35.50, -56.29)
CIE-LCH	lch(17.25, 66.55, 302.24°)
OKLab	oklab(30.15% -0.0058 -0.1631)
OKLCH	oklch(30.15% 0.163 268)
XYZ	xyz(4.3477, 2.3548, 19.9600)
Luminance	0.0236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A7E #7E7410

analogous

#10517E #101A7E #3D107E

triadic

#101A7E #7E101A #1A7E10

tetradic

#101A7E #7E1051 #7E7410 #107E3D

square

#101A7E #7E1051 #7E7410 #107E3D

split-complementary

#101A7E #7E3D10 #517E10

monochromatic

#03061B #090F48 #101A7E #1725B4 #2536E3

Accessibility & contrast

On white

14.28

#101A7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#101A7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A7E

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A7E	#FFFFFF	#000000	##FFFFFF
##101A7E	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003081

Deuteranopia (green-blind)

#00257C

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #101a7e;
/* rgb */ color: rgb(16, 26, 126);
/* oklch */ color: oklch(30.2% 0.163 268.0);

Tailwind

colors: {
  custom: {
    50: '#6758a5',
    500: '#101a7e',
    950: '#000000',
  },
}

SCSS

$custom: #101a7e;
$custom-light: #6758a5;
$custom-dark: #000000;

JSON

{
  "hex": "#101a7e",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 126
  },
  "hsl": {
    "h": 234.545,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30154,
    "c": 0.16324,
    "h": 268
  },
  "luminance": 0.02355
}

Semantic roles & 50–950 ramp

primary

#101A7E

secondary

#B4A936

accent

#E334F4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #101A7E

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

Preview Lab → · Contrast checker → · Palette generator →