#5487C8
Closest named color: Cool Blue (#4984B8). oklch(61.6% 0.113 255.1), rgb(84, 135, 200).
Aa
Black text reads best on this color (5.67:1).
About this color
#5487C8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.113 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.028 away. Black text reads best on it, at 5.67:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.67:1 |
| White text | 3.69:1 |
Values
| HEX | #5487C8 |
| RGB | rgb(84, 135, 200) |
| HSL | hsl(214, 51%, 56%) |
| OKLCH | oklch(61.6% 0.113 255.1) |
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 #5487C8 | 3.69:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #5487C8 | 5.67:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #5487C8 text on white | 3.69:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #5487C8 text on black | 5.67:1 | AA | Lc -37.3 | 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
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDBEE
oklch(88.6% 0.031 254.3)
-
Step 300
300
#A9C3E5
oklch(80.9% 0.056 255.2)
-
Step 400
400
#7BA3D7
oklch(70.6% 0.088 255.3)
-
Step 500
500 (this color)
#5487C8
oklch(61.6% 0.113 255.1)
-
Step 600
600
#3D74BA
oklch(55.5% 0.124 255.5)
-
Step 700
700
#2F61A0
oklch(49% 0.115 255.4)
-
Step 800
800
#285082
oklch(42.8% 0.095 255.1)
-
Step 900
900
#254368
oklch(37.8% 0.073 254.6)
-
Step 950
950
#16273D
oklch(27% 0.047 255.4)
#5487C8 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) | #6C8BCB | 0.031 |
| Deuteranopia (no green cones) | #5D80C7 | 0.020 |
| Tritanopia (no blue cones) | #00969E | 0.099 |
| Achromatopsia (no color) | #858585 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5487C8
#5487C8
oklch(61.6% 0.113 255.1)
- #AC7A29
#AC7A29
oklch(61.6% 0.113 75.2)
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 #5487C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.028
- Faded Blue #658CBB ΔE 0.033
- Steel Blue #4682B4 ΔE 0.036
- Off Blue #5684AE ΔE 0.039
- Dusty Blue #5A86AD ΔE 0.041
- Water Blue #0E87CC ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.043
- Windows Blue #3778BF ΔE 0.054
Use #5487C8 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.