#3287AA
Closest named color: Blue NCS (#118AB2). oklch(58.8% 0.096 229.1), rgb(50, 135, 170).
Aa
Black text reads best on this color (5.18:1).
About this color
#3287AA is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.096 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.017 away. Black text reads best on it, at 5.18:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.18:1 |
| White text | 4.05:1 |
Values
| HEX | #3287AA |
| RGB | rgb(50, 135, 170) |
| HSL | hsl(197, 55%, 43%) |
| OKLCH | oklch(58.8% 0.096 229.1) |
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 #3287AA | 4.05:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #3287AA | 5.18:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #3287AA text on white | 4.05:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #3287AA text on black | 5.18:1 | AA | Lc -34.2 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADDE6
oklch(88.6% 0.024 227.8)
-
Step 300
300
#A5C7D7
oklch(81% 0.043 228)
-
Step 400
400
#72A9C3
oklch(70.6% 0.069 229.2)
-
Step 500
500
#4994B4
oklch(63.2% 0.088 228.4)
-
Step 600
600 (this color)
#3287AA
oklch(58.8% 0.096 229.1)
-
Step 700
700
#176A89
oklch(49.2% 0.089 228.9)
-
Step 800
800
#17566F
oklch(42.6% 0.074 229.2)
-
Step 900
900
#1B475A
oklch(37.6% 0.058 229.5)
-
Step 950
950
#112A35
oklch(27.1% 0.037 229)
#3287AA 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) | #7585AC | 0.068 |
| Deuteranopia (no green cones) | #6479AA | 0.058 |
| Tritanopia (no blue cones) | #009193 | 0.056 |
| Achromatopsia (no color) | #7E7E7E | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3287AA
#3287AA
oklch(58.8% 0.096 229.1)
- #AA6A47
#AA6A47
oklch(58.6% 0.096 48.8)
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 #3287AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.017
- Teal Blue #01889F ΔE 0.027
- Steel Blue #4682B4 ΔE 0.028
- Cool Blue #4984B8 ΔE 0.032
- Off Blue #5684AE ΔE 0.033
- Cerulean #457B9D ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.036
- Stormy Blue #507B9C ΔE 0.039
Use #3287AA 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.