#3984A0
Closest named color: Teal Blue (#01889F). oklch(57.8% 0.085 225.8), rgb(57, 132, 160).
Aa
Black text reads best on this color (4.98:1).
About this color
#3984A0 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.085 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.024 away. Black text reads best on it, at 4.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 4.98:1 |
| White text | 4.21:1 |
Values
| HEX | #3984A0 |
| RGB | rgb(57, 132, 160) |
| HSL | hsl(196, 47%, 43%) |
| OKLCH | oklch(57.8% 0.085 225.8) |
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 #3984A0 | 4.21:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #3984A0 | 4.98:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #3984A0 text on white | 4.21:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #3984A0 text on black | 4.98:1 | AA | Lc -32.8 | 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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3ECEF
oklch(93.7% 0.01 219.6)
-
Step 200
200
#CBDCE4
oklch(88.4% 0.021 227.6)
-
Step 300
300
#A7C6D4
oklch(80.8% 0.039 226.9)
-
Step 400
400
#77A9BE
oklch(70.7% 0.061 226)
-
Step 500
500
#5193AE
oklch(63% 0.079 226.7)
-
Step 600
600 (this color)
#3984A0
oklch(57.8% 0.085 225.8)
-
Step 700
700
#236A83
oklch(49.2% 0.079 225.5)
-
Step 800
800
#20566A
oklch(42.6% 0.065 226)
-
Step 900
900
#204756
oklch(37.6% 0.051 225.8)
-
Step 950
950
#142A32
oklch(27.1% 0.032 223.6)
#3984A0 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) | #7581A1 | 0.065 |
| Deuteranopia (no green cones) | #6677A0 | 0.056 |
| Tritanopia (no blue cones) | #008C8D | 0.050 |
| Achromatopsia (no color) | #7B7B7B | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3984A0
#3984A0
oklch(57.8% 0.085 225.8)
- #A4694E
#A4694E
oklch(57.8% 0.086 45.2)
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 #3984A0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.024
- Cerulean #457B9D ΔE 0.026
- Stormy Blue #507B9C ΔE 0.030
- Blue NCS #118AB2 ΔE 0.031
- Steel Blue #4682B4 ΔE 0.036
- Off Blue #5684AE ΔE 0.037
- Dusty Blue #5A86AD ΔE 0.039
- Cool Blue #4984B8 ΔE 0.042
Use #3984A0 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.