#5488DF
Closest named color: Dark Sky Blue (#448EE4). oklch(63.1% 0.143 260.1), rgb(84, 136, 223).
Aa
Black text reads best on this color (5.96:1).
About this color
#5488DF is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.143 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.019 away. Black text reads best on it, at 5.96:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.96:1 |
| White text | 3.52:1 |
Values
| HEX | #5488DF |
| RGB | rgb(84, 136, 223) |
| HSL | hsl(218, 68%, 60%) |
| OKLCH | oklch(63.1% 0.143 260.1) |
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 #5488DF | 3.52:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #5488DF | 5.96:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #5488DF text on white | 3.52:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #5488DF text on black | 5.96:1 | AA | Lc -39.1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CBDAF3
oklch(88.5% 0.038 260.7)
-
Step 300
300
#A7C2EE
oklch(80.9% 0.069 260.1)
-
Step 400
400
#77A1E6
oklch(70.7% 0.112 260)
-
Step 500
500 (this color)
#5488DF
oklch(63.1% 0.143 260.1)
-
Step 600
600
#3970CD
oklch(55.7% 0.156 260.2)
-
Step 700
700
#2B5DB1
oklch(49.1% 0.144 260.2)
-
Step 800
800
#254C8F
oklch(42.6% 0.12 260.4)
-
Step 900
900
#224072
oklch(37.6% 0.093 260)
-
Step 950
950
#152643
oklch(27% 0.059 260.5)
#5488DF 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) | #6290E2 | 0.028 |
| Deuteranopia (no green cones) | #4E83DD | 0.016 |
| Tritanopia (no blue cones) | #009CA9 | 0.120 |
| Achromatopsia (no color) | #898989 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5488DF
#5488DF
oklch(63.1% 0.143 260.1)
- #B27F00
#B27F00
oklch(63.1% 0.131 80.3)
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 #5488DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.019
- Soft Blue #6488EA ΔE 0.025
- Chefchaouen Blue #4895EF ΔE 0.038
- Cornflower Blue #6495ED ΔE 0.044
- Water Blue #0E87CC ΔE 0.054
- Dodger Blue #1E90FF ΔE 0.055
- Cornflower #6A79F7 ΔE 0.060
- Faded Blue #658CBB ΔE 0.061
Use #5488DF 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.