#3992BC
Closest named color: Blue NCS (#118AB2). oklch(62.5% 0.105 232.5), rgb(57, 146, 188).
Aa
Black text reads best on this color (6.01:1).
About this color
#3992BC is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.105 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.035 away. Black text reads best on it, at 6.01:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 6.01:1 |
| White text | 3.49:1 |
Values
| HEX | #3992BC |
| RGB | rgb(57, 146, 188) |
| HSL | hsl(199, 53%, 48%) |
| OKLCH | oklch(62.5% 0.105 232.5) |
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 #3992BC | 3.49:1 | AA large text | Lc -67.7 | Content text, not long reading |
| Black text on #3992BC | 6.01:1 | AA | Lc 41.9 | Non-text elements, placeholder text |
| #3992BC text on white | 3.49:1 | AA large text | Lc 62.2 | Content text, not long reading |
| #3992BC text on black | 6.01:1 | AA | Lc -39.5 | 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
#C7DDE9
oklch(88.5% 0.029 231.5)
-
Step 300
300
#A0C7DC
oklch(80.8% 0.051 231.7)
-
Step 400
400
#6AAACB
oklch(70.7% 0.082 232)
-
Step 500
500 (this color)
#3992BC
oklch(62.5% 0.105 232.5)
-
Step 600
600
#027DAA
oklch(55.5% 0.114 232.7)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#114760
oklch(37.6% 0.069 233.4)
-
Step 950
950
#0D2A38
oklch(27% 0.043 232.5)
#3992BC 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) | #7D90BE | 0.068 |
| Deuteranopia (no green cones) | #6B83BB | 0.059 |
| Tritanopia (no blue cones) | #009DA0 | 0.065 |
| Achromatopsia (no color) | #898989 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3992BC
#3992BC
oklch(62.5% 0.105 232.5)
- #B97549
#B97549
oklch(62.6% 0.104 52.6)
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 #3992BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.035
- Cool Blue #4984B8 ΔE 0.039
- Faded Blue #658CBB ΔE 0.040
- Dusty Blue #5A86AD ΔE 0.041
- Off Blue #5684AE ΔE 0.043
- Steel Blue #4682B4 ΔE 0.044
- Water Blue #0E87CC ΔE 0.050
- Teal Blue #01889F ΔE 0.057
Use #3992BC 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.