#6384BB
Closest named color: Faded Blue (#658CBB). oklch(61.1% 0.092 260.3), rgb(99, 132, 187).
Aa
Black text reads best on this color (5.54:1).
About this color
#6384BB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.092 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.023 away. Black text reads best on it, at 5.54:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.54:1 |
| White text | 3.78:1 |
Values
| HEX | #6384BB |
| RGB | rgb(99, 132, 187) |
| HSL | hsl(218, 39%, 56%) |
| OKLCH | oklch(61.1% 0.092 260.3) |
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 #6384BB | 3.78:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #6384BB | 5.54:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #6384BB text on white | 3.78:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #6384BB text on black | 5.54:1 | AA | Lc -36.4 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEA
oklch(88.6% 0.025 259.8)
-
Step 300
300
#B0C2DE
oklch(80.9% 0.044 259.2)
-
Step 400
400
#87A2CE
oklch(70.8% 0.072 260.1)
-
Step 500
500 (this color)
#6384BB
oklch(61.1% 0.092 260.3)
-
Step 600
600
#5073AE
oklch(55.6% 0.101 260.4)
-
Step 700
700
#416095
oklch(49% 0.093 260.6)
-
Step 800
800
#364F79
oklch(42.8% 0.077 260.3)
-
Step 900
900
#2F4262
oklch(37.8% 0.06 260.5)
-
Step 950
950
#1B2739
oklch(27.1% 0.038 258.3)
#6384BB 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) | #6F88BD | 0.020 |
| Deuteranopia (no green cones) | #657FBA | 0.014 |
| Tritanopia (no blue cones) | #3F9097 | 0.083 |
| Achromatopsia (no color) | #838383 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6384BB
#6384BB
oklch(61.1% 0.092 260.3)
- #A07D3E
#A07D3E
oklch(61% 0.092 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 #6384BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.023
- Off Blue #5684AE ΔE 0.026
- Dusty Blue #5A86AD ΔE 0.027
- Cool Blue #4984B8 ΔE 0.028
- Steel Blue #4682B4 ΔE 0.034
- Silver Lake Blue #778DA9 ΔE 0.050
- Blue Grey #758DA3 ΔE 0.056
- Stormy Blue #507B9C ΔE 0.057
Use #6384BB 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.