#717FBE
Closest named color: Faded Blue (#658CBB). oklch(61.1% 0.097 273.6), rgb(113, 127, 190).
Aa
Black text reads best on this color (5.48:1).
About this color
#717FBE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.097 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.039 away. Black text reads best on it, at 5.48:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.48:1 |
| White text | 3.83:1 |
Values
| HEX | #717FBE |
| RGB | rgb(113, 127, 190) |
| HSL | hsl(229, 37%, 59%) |
| OKLCH | oklch(61.1% 0.097 273.6) |
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 #717FBE | 3.83:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #717FBE | 5.48:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #717FBE text on white | 3.83:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #717FBE text on black | 5.48:1 | AA | Lc -35.9 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D3D8EB
oklch(88.4% 0.027 274.1)
-
Step 300
300
#B6BFE0
oklch(80.8% 0.048 273.3)
-
Step 400
400
#919ED1
oklch(70.8% 0.076 273.2)
-
Step 500
500 (this color)
#717FBE
oklch(61.1% 0.097 273.6)
-
Step 600
600
#606EB1
oklch(55.7% 0.105 273.6)
-
Step 700
700
#4F5B98
oklch(49% 0.099 273.8)
-
Step 800
800
#414B7B
oklch(42.7% 0.081 273.6)
-
Step 900
900
#373F63
oklch(37.7% 0.063 273.5)
-
Step 950
950
#20253A
oklch(27% 0.04 273.2)
#717FBE 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) | #6A86C1 | 0.020 |
| Deuteranopia (no green cones) | #637FBD | 0.018 |
| Tritanopia (no blue cones) | #598C96 | 0.087 |
| Achromatopsia (no color) | #828282 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717FBE
#717FBE
oklch(61.1% 0.097 273.6)
- #978238
#978238
oklch(61.1% 0.097 93.5)
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 #717FBE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.039
- Off Blue #5684AE ΔE 0.046
- Dusty Blue #5A86AD ΔE 0.046
- Cool Blue #4984B8 ΔE 0.048
- Steel Blue #4682B4 ΔE 0.053
- Lavender Gray #7E7F9A ΔE 0.058
- Silver Lake Blue #778DA9 ΔE 0.059
- Blue Grey #758DA3 ΔE 0.066
Use #717FBE 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.