#717FB1
Closest named color: Dusty Blue (#5A86AD). oklch(60.5% 0.078 271.9), rgb(113, 127, 177).
Aa
Black text reads best on this color (5.37:1).
About this color
#717FB1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.078 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.034 away. Black text reads best on it, at 5.37:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #717FB1 |
| RGB | rgb(113, 127, 177) |
| HSL | hsl(227, 29%, 57%) |
| OKLCH | oklch(60.5% 0.078 271.9) |
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 #717FB1 | 3.90:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #717FB1 | 5.37:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #717FB1 text on white | 3.90:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #717FB1 text on black | 5.37:1 | AA | Lc -35.2 | 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
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E8
oklch(88.6% 0.021 271.2)
-
Step 300
300
#B8C0DA
oklch(81% 0.038 272)
-
Step 400
400
#939FC8
oklch(70.8% 0.062 272)
-
Step 500
500 (this color)
#717FB1
oklch(60.5% 0.078 271.9)
-
Step 600
600
#6270A5
oklch(55.6% 0.084 272.1)
-
Step 700
700
#515E8E
oklch(49.2% 0.079 271.7)
-
Step 800
800
#424D73
oklch(42.8% 0.065 271.1)
-
Step 900
900
#38405D
oklch(37.7% 0.051 271.9)
-
Step 950
950
#212636
oklch(27.1% 0.031 270.8)
#717FB1 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) | #6F84B3 | 0.013 |
| Deuteranopia (no green cones) | #6A7EB0 | 0.010 |
| Tritanopia (no blue cones) | #5E8991 | 0.070 |
| Achromatopsia (no color) | #818181 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717FB1
#717FB1
oklch(60.5% 0.078 271.9)
- #938049
#938049
oklch(60.5% 0.078 90.9)
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 #717FB1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.034
- Off Blue #5684AE ΔE 0.035
- Faded Blue #658CBB ΔE 0.036
- Lavender Gray #7E7F9A ΔE 0.039
- Cool Blue #4984B8 ΔE 0.045
- Silver Lake Blue #778DA9 ΔE 0.046
- Steel Blue #4682B4 ΔE 0.048
- Blue Grey #758DA3 ΔE 0.051
Use #717FB1 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.