#3F95BC
Closest named color: Faded Blue (#658CBB). oklch(63.4% 0.1 231), rgb(63, 149, 188).
Aa
Black text reads best on this color (6.23:1).
About this color
#3F95BC is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.100 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.040 away. Black text reads best on it, at 6.23:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.23:1 |
| White text | 3.36:1 |
Values
| HEX | #3F95BC |
| RGB | rgb(63, 149, 188) |
| HSL | hsl(199, 50%, 49%) |
| OKLCH | oklch(63.4% 0.1 231) |
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 #3F95BC | 3.36:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #3F95BC | 6.23:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #3F95BC text on white | 3.36:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #3F95BC text on black | 6.23:1 | AA | Lc -40.8 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300
#A1C7DB
oklch(80.9% 0.049 231.1)
-
Step 400
400
#6CAAC9
oklch(70.8% 0.078 231.1)
-
Step 500
500 (this color)
#3F95BC
oklch(63.4% 0.1 231)
-
Step 600
600
#0D7EA7
oklch(55.7% 0.109 230.7)
-
Step 700
700
#006A8E
oklch(49.1% 0.099 230.6)
-
Step 800
800
#055674
oklch(42.5% 0.084 231.2)
-
Step 900
900
#13475E
oklch(37.6% 0.066 231.8)
-
Step 950
950
#0E2A37
oklch(27% 0.041 231.2)
#3F95BC 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) | #8193BE | 0.068 |
| Deuteranopia (no green cones) | #7086BB | 0.059 |
| Tritanopia (no blue cones) | #00A0A2 | 0.063 |
| Achromatopsia (no color) | #8C8C8C | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F95BC
#3F95BC
oklch(63.4% 0.1 231)
- #BB7850
#BB7850
oklch(63.5% 0.101 51)
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 #3F95BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.040
- Blue NCS #118AB2 ΔE 0.044
- Dusty Blue #5A86AD ΔE 0.045
- Cool Blue #4984B8 ΔE 0.047
- Off Blue #5684AE ΔE 0.048
- Steel Blue #4682B4 ΔE 0.053
- Silver Lake Blue #778DA9 ΔE 0.059
- Water Blue #0E87CC ΔE 0.059
Use #3F95BC 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.