#10457F#10457F

#10457F is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 39.1% C 0.112 H 254.3°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#10457F
RGB	rgb(16, 69, 127)
HSL	hsl(211, 78%, 28%)
HSV	hsv(211, 87%, 50%)
CMYK	cmyk(87.4%, 45.7%, 0%, 50.2%)
CIE-LAB	lab(29.15, 6.33, -37.50)
CIE-LCH	lch(29.15, 38.03, 279.59°)
OKLab	oklab(39.08% -0.0301 -0.1076)
OKLCH	oklch(39.08% 0.112 254.3)
XYZ	xyz(6.1711, 5.8979, 20.8877)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10457F #7F4A10

analogous

#107C7F #10457F #12107F

triadic

#10457F #7F1045 #457F10

tetradic

#10457F #7F107C #7F4A10 #107F12

square

#10457F #7F107C #7F4A10 #107F12

split-complementary

#10457F #7F1210 #7C7F10

monochromatic

#030F1B #092749 #10457F #1763B5 #2680E4

Accessibility & contrast

On white

9.63

#10457F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#10457F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10457F

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10457F	#FFFFFF	#000000	##FFFFFF
##10457F	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274A81

Deuteranopia (green-blind)

#0F407E

Tritanopia (blue-blind)

#00535B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #10457f;
/* rgb */ color: rgb(16, 69, 127);
/* oklch */ color: oklch(39.1% 0.112 254.3);

Tailwind

colors: {
  custom: {
    50: '#6478a4',
    500: '#10457f',
    950: '#000000',
  },
}

SCSS

$custom: #10457f;
$custom-light: #6478a4;
$custom-dark: #000000;

JSON

{
  "hex": "#10457f",
  "rgb": {
    "r": 16,
    "g": 69,
    "b": 127
  },
  "hsl": {
    "h": 211.351,
    "s": 77.622,
    "l": 28.039
  },
  "oklch": {
    "l": 0.39078,
    "c": 0.11173,
    "h": 254.3
  },
  "luminance": 0.05899
}

Semantic roles & 50–950 ramp

primary

#10457F

secondary

#B57836

accent

#9834F4

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #10457F

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

Preview Lab → · Contrast checker → · Palette generator →