#327FD5
Closest named color: Water Blue (#0E87CC). oklch(59.2% 0.151 253.8), rgb(50, 127, 213).
Aa
Black text reads best on this color (5.13:1).
About this color
#327FD5 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.151 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.031 away. Black text reads best on it, at 5.13:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.13:1 |
| White text | 4.09:1 |
Values
| HEX | #327FD5 |
| RGB | rgb(50, 127, 213) |
| HSL | hsl(212, 66%, 52%) |
| OKLCH | oklch(59.2% 0.151 253.8) |
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 #327FD5 | 4.09:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #327FD5 | 5.13:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #327FD5 text on white | 4.09:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #327FD5 text on black | 5.13:1 | AA | Lc -34.0 | 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 600.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF2
oklch(88.4% 0.038 253.2)
-
Step 300
300
#A2C4EC
oklch(80.9% 0.068 252.7)
-
Step 400
400
#6FA4E3
oklch(70.7% 0.109 253.5)
-
Step 500
500
#478BDB
oklch(63% 0.14 254)
-
Step 600
600 (this color)
#327FD5
oklch(59.2% 0.151 253.8)
-
Step 700
700
#1761AE
oklch(49.2% 0.141 253.7)
-
Step 800
800
#174F8D
oklch(42.7% 0.117 254.2)
-
Step 900
900
#1A4270
oklch(37.6% 0.091 254)
-
Step 950
950
#102742
oklch(27% 0.058 253.9)
#327FD5 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) | #5586D8 | 0.038 |
| Deuteranopia (no green cones) | #3A77D3 | 0.021 |
| Tritanopia (no blue cones) | #00939F | 0.115 |
| Achromatopsia (no color) | #7D7D7D | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #327FD5
#327FD5
oklch(59.2% 0.151 253.8)
- #AA7000
#AA7000
oklch(59.2% 0.126 73.4)
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 #327FD5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.031
- Windows Blue #3778BF ΔE 0.036
- Dark Sky Blue #448EE4 ΔE 0.048
- Cool Blue #4984B8 ΔE 0.053
- Steel Blue #4682B4 ΔE 0.055
- Royal Blue #4169E1 ΔE 0.062
- Nice Blue #107AB0 ΔE 0.062
- Clear Blue #247AFD ΔE 0.064
Use #327FD5 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.