#5287C7
Closest named color: Cool Blue (#4984B8). oklch(61.5% 0.113 254.1), rgb(82, 135, 199).
Aa
Black text reads best on this color (5.64:1).
About this color
#5287C7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.113 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.026 away. Black text reads best on it, at 5.64:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.64:1 |
| White text | 3.71:1 |
Values
| HEX | #5287C7 |
| RGB | rgb(82, 135, 199) |
| HSL | hsl(213, 51%, 55%) |
| OKLCH | oklch(61.5% 0.113 254.1) |
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 #5287C7 | 3.71:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #5287C7 | 5.64:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #5287C7 text on white | 3.71:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #5287C7 text on black | 5.64:1 | AA | Lc -37.1 | 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
#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
#A9C3E4
oklch(80.9% 0.055 254.5)
-
Step 400
400
#7AA4D7
oklch(70.8% 0.088 253.7)
-
Step 500
500 (this color)
#5287C7
oklch(61.5% 0.113 254.1)
-
Step 600
600
#3B75B9
oklch(55.6% 0.122 253.9)
-
Step 700
700
#2D62A0
oklch(49.2% 0.115 254.1)
-
Step 800
800
#265081
oklch(42.6% 0.094 253.9)
-
Step 900
900
#244368
oklch(37.8% 0.074 253.9)
-
Step 950
950
#16273D
oklch(27% 0.047 255.4)
#5287C7 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) | #6C8BCA | 0.033 |
| Deuteranopia (no green cones) | #5D7FC6 | 0.023 |
| Tritanopia (no blue cones) | #00969E | 0.097 |
| Achromatopsia (no color) | #848484 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5287C7
#5287C7
oklch(61.5% 0.113 254.1)
- #AD7929
#AD7929
oklch(61.5% 0.114 73.8)
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 #5287C7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.026
- Faded Blue #658CBB ΔE 0.033
- Steel Blue #4682B4 ΔE 0.034
- Off Blue #5684AE ΔE 0.037
- Dusty Blue #5A86AD ΔE 0.040
- Water Blue #0E87CC ΔE 0.040
- Dark Sky Blue #448EE4 ΔE 0.044
- Windows Blue #3778BF ΔE 0.052
Use #5287C7 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.