#3F92C1
Closest named color: Faded Blue (#658CBB). oklch(62.9% 0.107 236.8), rgb(63, 146, 193).
Aa
Black text reads best on this color (6.09:1).
About this color
#3F92C1 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.107 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.036 away. Black text reads best on it, at 6.09:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.09:1 |
| White text | 3.44:1 |
Values
| HEX | #3F92C1 |
| RGB | rgb(63, 146, 193) |
| HSL | hsl(202, 51%, 50%) |
| OKLCH | oklch(62.9% 0.107 236.8) |
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 #3F92C1 | 3.44:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #3F92C1 | 6.09:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #3F92C1 text on white | 3.44:1 | AA large text | Lc 61.7 | Content text, not long reading |
| #3F92C1 text on black | 6.09:1 | AA | Lc -40.0 | 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 500.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DDEA
oklch(88.6% 0.029 234.9)
-
Step 300
300
#A1C6DE
oklch(80.8% 0.052 236.7)
-
Step 400
400
#6CA9CE
oklch(70.7% 0.083 236.3)
-
Step 500
500 (this color)
#3F92C1
oklch(62.9% 0.107 236.8)
-
Step 600
600
#137CAE
oklch(55.6% 0.116 236.8)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#095579
oklch(42.6% 0.089 236.8)
-
Step 900
900
#154762
oklch(37.8% 0.069 236.7)
-
Step 950
950
#0E2939
oklch(26.8% 0.044 237.6)
#3F92C1 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) | #7C91C3 | 0.063 |
| Deuteranopia (no green cones) | #6A84C0 | 0.053 |
| Tritanopia (no blue cones) | #009EA2 | 0.072 |
| Achromatopsia (no color) | #8A8A8A | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F92C1
#3F92C1
oklch(62.9% 0.107 236.8)
- #B97744
#B97744
oklch(62.9% 0.106 56.9)
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 #3F92C1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.036
- Cool Blue #4984B8 ΔE 0.038
- Blue NCS #118AB2 ΔE 0.041
- Dusty Blue #5A86AD ΔE 0.042
- Off Blue #5684AE ΔE 0.044
- Steel Blue #4682B4 ΔE 0.045
- Water Blue #0E87CC ΔE 0.048
- Dark Sky Blue #448EE4 ΔE 0.058
Use #3F92C1 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.