#5689CF
Closest named color: Dark Sky Blue (#448EE4). oklch(62.5% 0.12 256.6), rgb(86, 137, 207).
Aa
Black text reads best on this color (5.87:1).
About this color
#5689CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.120 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.033 away. Black text reads best on it, at 5.87:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.87:1 |
| White text | 3.57:1 |
Values
| HEX | #5689CF |
| RGB | rgb(86, 137, 207) |
| HSL | hsl(215, 56%, 57%) |
| OKLCH | oklch(62.5% 0.12 256.6) |
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 #5689CF | 3.57:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #5689CF | 5.87:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #5689CF text on white | 3.57:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #5689CF text on black | 5.87:1 | AA | Lc -38.5 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDAEF
oklch(88.4% 0.033 258.4)
-
Step 300
300
#A9C3E7
oklch(81% 0.058 256.6)
-
Step 400
400
#7AA3DB
oklch(70.8% 0.094 256.4)
-
Step 500
500 (this color)
#5689CF
oklch(62.5% 0.12 256.6)
-
Step 600
600
#3C73BE
oklch(55.5% 0.131 256.8)
-
Step 700
700
#2E60A4
oklch(49% 0.122 256.8)
-
Step 800
800
#274F85
oklch(42.7% 0.101 256.6)
-
Step 900
900
#24426A
oklch(37.6% 0.078 256.2)
-
Step 950
950
#16273E
oklch(27% 0.049 256.3)
#5689CF 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) | #6C8ED2 | 0.030 |
| Deuteranopia (no green cones) | #5C82CE | 0.019 |
| Tritanopia (no blue cones) | #0099A2 | 0.104 |
| Achromatopsia (no color) | #878787 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5689CF
#5689CF
oklch(62.5% 0.12 256.6)
- #B07D21
#B07D21
oklch(62.6% 0.12 77)
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 #5689CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.033
- Faded Blue #658CBB ΔE 0.037
- Cool Blue #4984B8 ΔE 0.039
- Soft Blue #6488EA ΔE 0.045
- Water Blue #0E87CC ΔE 0.046
- Steel Blue #4682B4 ΔE 0.047
- Off Blue #5684AE ΔE 0.050
- Dusty Blue #5A86AD ΔE 0.051
Use #5689CF 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.