#123570#123570

#123570 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.1% C 0.110 H 260.3°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#123570
RGB	rgb(18, 53, 112)
HSL	hsl(218, 72%, 25%)
HSV	hsv(218, 84%, 44%)
CMYK	cmyk(83.9%, 52.7%, 0%, 56.1%)
CIE-LAB	lab(23.15, 11.41, -37.67)
CIE-LCH	lch(23.15, 39.36, 286.85°)
OKLab	oklab(34.12% -0.0186 -0.1084)
OKLCH	oklch(34.12% 0.11 260.3)
XYZ	xyz(4.4461, 3.8441, 15.8338)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123570 #704D12

analogous

#126470 #123570 #1E1270

triadic

#123570 #701235 #357012

tetradic

#123570 #701264 #704D12 #12701E

square

#123570 #701264 #704D12 #12701E

split-complementary

#123570 #701E12 #647012

monochromatic

#040C1A #0A1C3B #123570 #1A4EA5 #2367D9

Accessibility & contrast

On white

11.87

#123570 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#123570 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123570

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123570	#FFFFFF	#000000	##FFFFFF
##123570	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#103C72

Deuteranopia (green-blind)

#00336F

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123570;
/* rgb */ color: rgb(18, 53, 112);
/* oklch */ color: oklch(34.1% 0.110 260.3);

Tailwind

colors: {
  custom: {
    50: '#616b99',
    500: '#123570',
    950: '#000000',
  },
}

SCSS

$custom: #123570;
$custom-light: #616b99;
$custom-dark: #000000;

JSON

{
  "hex": "#123570",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 112
  },
  "hsl": {
    "h": 217.66,
    "s": 72.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34123,
    "c": 0.11002,
    "h": 260.3
  },
  "luminance": 0.03845
}

Semantic roles & 50–950 ramp

primary

#123570

secondary

#A77D37

accent

#AB39EF

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #123570

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

Preview Lab → · Contrast checker → · Palette generator →