#717FB7
Closest named color: Faded Blue (#658CBB). oklch(60.8% 0.087 272.8), rgb(113, 127, 183).
Aa
Black text reads best on this color (5.42:1).
About this color
#717FB7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.087 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.036 away. Black text reads best on it, at 5.42:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.42:1 |
| White text | 3.87:1 |
Values
| HEX | #717FB7 |
| RGB | rgb(113, 127, 183) |
| HSL | hsl(228, 33%, 58%) |
| OKLCH | oklch(60.8% 0.087 272.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #717FB7 | 3.87:1 | AA large text | Lc -71.7 | Content text, not long reading |
| Black text on #717FB7 | 5.42:1 | AA | Lc 37.9 | Non-text elements, placeholder text |
| #717FB7 text on white | 3.87:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #717FB7 text on black | 5.42:1 | AA | Lc -35.5 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D4D8E9
oklch(88.4% 0.024 275.3)
-
Step 300
300
#B7BFDD
oklch(80.8% 0.043 273.6)
-
Step 400
400
#929ECC
oklch(70.6% 0.069 273.2)
-
Step 500
500 (this color)
#717FB7
oklch(60.8% 0.087 272.8)
-
Step 600
600
#616FAB
oklch(55.6% 0.095 273)
-
Step 700
700
#505D93
oklch(49.2% 0.088 272.5)
-
Step 800
800
#424C77
oklch(42.8% 0.073 273)
-
Step 900
900
#373F60
oklch(37.6% 0.058 272.9)
-
Step 950
950
#202538
oklch(26.9% 0.036 272.4)
#717FB7 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #6D85B9 | 0.016 |
| Deuteranopia (no green cones) | #677FB6 | 0.013 |
| Tritanopia (no blue cones) | #5C8A93 | 0.077 |
| Achromatopsia (no color) | #818181 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717FB7
#717FB7
oklch(60.8% 0.087 272.8)
- #958141
#958141
oklch(60.8% 0.087 92.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #717FB7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.039
- Off Blue #5684AE ΔE 0.039
- Cool Blue #4984B8 ΔE 0.046
- Lavender Gray #7E7F9A ΔE 0.048
- Steel Blue #4682B4 ΔE 0.049
- Silver Lake Blue #778DA9 ΔE 0.052
- Blue Grey #758DA3 ΔE 0.058
Use #717FB7 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.