#5488BD
Closest named color: Cool Blue (#4984B8). oklch(61.3% 0.098 250.1), rgb(84, 136, 189).
Aa
Black text reads best on this color (5.63:1).
About this color
#5488BD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.098 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.018 away. Black text reads best on it, at 5.63:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.63:1 |
| White text | 3.72:1 |
Values
| HEX | #5488BD |
| RGB | rgb(84, 136, 189) |
| HSL | hsl(210, 44%, 54%) |
| OKLCH | oklch(61.3% 0.098 250.1) |
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 #5488BD | 3.72:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #5488BD | 5.63:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #5488BD text on white | 3.72:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #5488BD text on black | 5.63:1 | AA | Lc -37.0 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEB
oklch(88.5% 0.027 249.9)
-
Step 300
300
#AAC4DF
oklch(81% 0.048 249.4)
-
Step 400
400
#7CA5CF
oklch(70.8% 0.076 249.5)
-
Step 500
500 (this color)
#5488BD
oklch(61.3% 0.098 250.1)
-
Step 600
600
#3E77AF
oklch(55.6% 0.106 249.9)
-
Step 700
700
#306497
oklch(49.2% 0.099 250.1)
-
Step 800
800
#28517A
oklch(42.5% 0.083 250.4)
-
Step 900
900
#254462
oklch(37.7% 0.064 249.1)
-
Step 950
950
#16283A
oklch(27.1% 0.041 249.6)
#5488BD 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) | #728ABF | 0.036 |
| Deuteranopia (no green cones) | #6480BC | 0.026 |
| Tritanopia (no blue cones) | #05949A | 0.086 |
| Achromatopsia (no color) | #848484 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5488BD
#5488BD
oklch(61.3% 0.098 250.1)
- #AA793C
#AA793C
oklch(61.3% 0.099 70.1)
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 #5488BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.018
- Off Blue #5684AE ΔE 0.023
- Faded Blue #658CBB ΔE 0.023
- Dusty Blue #5A86AD ΔE 0.024
- Steel Blue #4682B4 ΔE 0.026
- Water Blue #0E87CC ΔE 0.047
- Blue NCS #118AB2 ΔE 0.047
- Silver Lake Blue #778DA9 ΔE 0.055
Use #5488BD 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.