Nerdulator> put something in

Recognised as Colour

#1C7599

  • #1C7599
  • Cyan
  • Dark
  • Nearest: Steel blue

#1C7599 is a cyan with RGB values 28, 117, 153 and HSL 197°, 69%, 35%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1C7599#1C7599
HEX#1C7599
RGBrgb(28, 117, 153)
RGB (0–1)0.1098, 0.4588, 0.6
RGB percentages11%, 45.9%, 60%
HSLhsl(197.3, 69.1%, 35.5%)
HSV / HSBhsv(197.3, 81.7%, 60%)
CMYK81.7%, 23.5%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,865,113
CSS custom property--colour: #1C7599;

Brightness & contrast

Relative luminance0.15269WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.18:1
Contrast with white5.18:1WCAG normal text: AA
Contrast with black4.05:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#E38A66

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#63739Bno red cones; affects about 1% of men; ΔE 17.1 from the original
Deuteranopia#526898no green cones; the most common form, about 1% of men; ΔE 17.9 from the original
Tritanopia#007F81no blue cones; rare, and affects men and women equally; ΔE 23.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.18:1WCAG large text: AAA
Contrast with black, large text4.05:1WCAG large text: AA

Named colours

Steel blue · ΔE 11.9Slate grey · ΔE 20.2Light slate grey · ΔE 21Teal · ΔE 24.6Cadetblue · ΔE 25.5Dark cyan · ΔE 26.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.89, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#99401C
Analogous#1C997E, #1C3799
Triadic#991C75, #75991C
Split complementary#991C37, #997F1C
Tetradic#7E1C99, #99401C, #36991C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#95D3EC
Lighter +30%#6AC1E4
Lighter +20%#3FAFDC
Lighter +10%#2496C4
Darker −10%#14546E
Darker −20%#0C3343
Darker −30%#041218
Darker −40%#000000
More saturated +25%#057FB0
Less saturated −25%#336B82

Channel breakdown

R28
G117
B153
Red28 (11%)
Green117 (45.9%)
Blue153 (60%)
Hue197.28°
Saturation (HSL)69.06%
Lightness35.49%
Dominant channelBlue
Hex per channelR 1C · G 75 · B 99

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “1c7599” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.